CN101279539B - Printing ink box bearing rack suitable for continuous ink supply system - Google Patents
Printing ink box bearing rack suitable for continuous ink supply system Download PDFInfo
- Publication number
- CN101279539B CN101279539B CN2007100968686A CN200710096868A CN101279539B CN 101279539 B CN101279539 B CN 101279539B CN 2007100968686 A CN2007100968686 A CN 2007100968686A CN 200710096868 A CN200710096868 A CN 200710096868A CN 101279539 B CN101279539 B CN 101279539B
- Authority
- CN
- China
- Prior art keywords
- ink
- box
- printing ink
- printing
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention relates to a bearing frame, which comprises a body with a containing frame body and an ink supply structure with an ink supply unit; wherein, the ink supply unit is provided with an ink supply chamber, a elastic element, an embolism and a clamping part provided with an ink supply channel; the elastic element facilitates the embolism to seal an ink supply channel of the clamping part in a normal state; a clamping structure and the body are rotatablely connected and buckled on the containing frame body; when the clamping mechanism is buckled on the containing frame body, the ink supply structure is caused to be connected with the convex structure of a printing ink cartridge, and the clamping part of the ink supply structure is caused to be arranged in the containing groove of the printing ink cartridge and sleeved with the ink guide structure of the printing ink cartridge, so that the ink guide structure supports and pushes the embolism to be separated from the ink supply channel of the clamping part and generate a clearance in the ink supply channel of the clamping part. Therefore, the ink in the air supply chamber is injected inside the printing ink cartridge after passing through the clearance, the ink supply channel and the opening of the ink guide structure.
Description
Technical field
The invention relates to a kind of carrier that is applicable to continuous ink-supply system, refer to a kind of printing ink box bearing rack that is applicable to continuous ink-supply system especially.
Background technology
Generally speaking, ink-jet printer is owing to have processing ease and printable in advantages such as multiple ink-jet medium, extensively consumed popular the welcome, but when ink-jet printer uses one section in the future, just can exhaust because of the ink of printing ink box and must change printing ink box, common replacing method is to abandon old printing ink box brand-new printing ink box to be installed again so that ink to be provided at present, and this measure not only causes the waste of printing ink box body, and has intangibly increased user's expense because of costing an arm and a leg of printing ink box.To print cost and avoid the wasting of resources in order to save, the continuous ink-supply system of reusing same printing ink box just arises at the historic moment.
Existing continuous ink-supply system is all the external continuous ink-supply system, it is that an ink-feeding container is set outside ink-jet printer, and connect the printing ink box of ink-feeding container and ink-jet printer inside by pipeline, the principle of utilizing vacuum to lead China ink imports ink in the printing ink box from ink-feeding container, ink by the visualization ink-feeding container consumes situation and replenishes ink in good time to ink-feeding container again, just can realize the continual continuous ink feeding of printing ink box ink supply.
Though above-mentioned continuous ink-supply system can reach the effect of continuous ink feeding really, but printing ink box only directly connects by the ink supply pipe with between the ink-feeding container, and existing printing ink box lacks disconnected ink structure, in case printing ink box will be changed or the carrier of printing ink box is will keep in repair the time, printing ink box ink leak very easily when carrier takes out, not only cause the waste of ink, also can pollute ink-jet printer inside.
In view of this, how to develop the defective that a kind of printing ink box bearing rack that is applicable to continuous ink-supply system is avoided above-mentioned prior art, real in pressing for the problem of solution at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of printing ink box bearing rack that is applicable to continuous ink-supply system, it is to be covered on the supplying structure of ink and when being snapped on the ccontaining framework by clamp structure, clamp structure will apply active force on supplying structure of ink, so that the Access Division of supplying structure of ink is partly inserted in the storage tank of printing ink box, to make guide ink structure be inserted in the ink supply runner of Access Division, allow guide ink structure pushing tow embolism separate the ink supply runner of Access Division, and the ink supply runner that makes the Access Division produces a gap, the ink of ink supply chamber will be via the gap, the opening of ink supply runner and guide ink structure injects printing ink box inside, lack disconnected ink structure to solve traditional existing printing ink box, in case printing ink box will be changed or the carrier of printing ink box is will keep in repair the time, printing ink box ink leak very easily when carrier takes out, not only cause the waste of ink, also can pollute shortcomings such as ink-jet printer inside.
For reaching above-mentioned purpose, of the present invention one implements the sample attitude for a kind of carrier is provided than broad sense, be applicable to continuous ink-supply system, in order to the carrying printing ink box, printing ink box has bulge-structure and guide ink structure, guide ink structure be arranged in the bulge-structure and and bulge-structure between form storage tank, guide ink structure has opening, and in order to ink is injected printing ink box, carrier comprises: body, has ccontaining framework, in order to the carrying printing ink box; Supplying structure of ink, it is connected with body, and has at least one ink donor unit, ink donor unit has ink inlet opening, in order to the reception ink, and have ink supply chamber, flexible member, embolism that is connected with ink inlet opening and the Access Division with ink supply runner, flexible member and embolism are arranged in the ink supply chamber, and flexible member is to be sheathed on the embolism, impels the ink supply runner of sealing Access Division under the embolism normality; Clamp structure, it is connected rotationally with body and is snapped on the ccontaining framework, and then applies an active force on supplying structure of ink, so that supplying structure of ink is connected with printing ink box; Whereby, when clamp structure is snapped on the ccontaining framework, supplying structure of ink is connected with the bulge-structure of printing ink box, so that the Access Division of supplying structure of ink is inserted in the storage tank of printing ink box, and with the guide ink structure of this printing ink box fit mutually, allow this guide ink structure pushing tow embolism separate the ink supply runner of this Access Division, and make the ink supply runner of this Access Division produce the gap, the ink of ink supply chamber will inject printing ink box inside via the opening of gap, ink supply runner and guide ink structure.
According to conception of the present invention, wherein embolism is the rubber material and has elasticity.
According to conception of the present invention, wherein the ccontaining framework of body has preposition plate washer.
According to conception of the present invention, wherein a side of clamp structure comprises Elastic buckle portion, and have protuberance, Elastic buckle portion partly is arranged in the ccontaining framework and is snapped in by protuberance on the preposition plate washer of ccontaining framework, makes clamp structure will apply first active force on supplying structure of ink.
Of the present invention another implemented the sample attitude for a kind of carrier is provided than broad sense, be applicable to continuous ink-supply system, in order to carry at least one printing ink box, printing ink box has bulge-structure and guide ink structure, guide ink structure be arranged in the bulge-structure and and bulge-structure between form storage tank, guide ink structure has an opening, in order to ink is injected printing ink box, carrier comprises: body has ccontaining framework, in order to the carrying printing ink box; Supplying structure of ink, it is connected with body, and has at least one ink donor unit, and ink donor unit has ink inlet opening, in order to receive ink; Clamp structure, it is connected rotationally with body and is snapped on the ccontaining framework, in order to apply active force on supplying structure of ink, so that this supplying structure of ink is connected with this printing ink box; Whereby, when clamp structure is snapped on the ccontaining framework, so that this supplying structure of ink is connected with this printing ink box, and the ink donor unit that makes supplying structure of ink is partly inserted in the storage tank of printing ink box, and ink inlet opening is connected with the opening of printing ink box, and ink will inject printing ink box inside via the opening of ink inlet opening and guide ink structure.
Description of drawings
Fig. 1 is the structural representation of the printing ink box bearing rack of preferred embodiment of the present invention.
Fig. 2 is the structural representation of printing ink box.
Fig. 3 (a) is the structural representation that printing ink box shown in Figure 2 is arranged at carrier shown in Figure 1.
Fig. 3 (b) is the A-A generalized section of Fig. 3 (a).
Fig. 4 (a) is the perspective view that the assembling of carrier of the present invention is finished.
Fig. 4 (b) is the B-B generalized section of Fig. 4 (a).
The specific embodiment
Some exemplary embodiments that embody feature of the present invention and advantage will be described in detail in the explanation of back segment.Be understood that the present invention can have various variations on different aspects, its neither departing from the scope of the present invention, and explanation wherein and to be shown in be when the usefulness that explain in essence, but not in order to restriction the present invention.
See also Fig. 1 and Fig. 2, wherein Fig. 1 is the structural representation of the printing ink box bearing rack of preferred embodiment of the present invention, Fig. 2 is the structural representation of printing ink box, as shown in Figure 1, the present invention is a kind of carrier 1, be applicable to the ink-jet printer that uses continuous ink-supply system, be mainly used to carry printing ink box 2 (as shown in Figure 2), and under the driving of the control circuit of ink-jet printer, drive printing ink box 2 and carry out horizontal back and forth movement, to carry out the inkjet printing action, the quantity that can carry printing ink box 2 as for carrier 1 is not limited to 3 shown in Figure 1, and can be according to the actual demand adjustment.
Please consult Fig. 2 again, in present embodiment, printing ink box 2 can be a hollow square structure, be mainly used to storage ink and carry out inkjet printing, and the top of printing ink box 2 has bulge-structure 21 and guide ink structure 22, bulge-structure 21 around guide ink structure 22 and and guide ink structure 22 between have a storage tank 23 that presents concave inward structure, the height of guide ink structure 22 be higher than bulge-structure 21 and its top have a plurality of be separatedly installed replace post 221, two adjacent replacing have a space 222 between the post 221, and all central authorities that replace post 221 have an opening 223 (shown in Fig. 3 (b)), and opening 223 is communicated to the inside of printing ink box 2 in order to ink is injected printing ink box 2 inside.
Please consult Fig. 1 again, carrier 1 of the present invention is made up of body 11, supplying structure of ink 12 and clamp structure 13, body 11 has a ccontaining framework 111, and ccontaining framework 111 has a preposition plate washer 113, ccontaining framework 111 has 3 storage tanks 112 in present embodiment, but, be mainly used to carry corresponding printing ink box 2 (shown in Fig. 3 (a) and Fig. 3 (b)) not as limit.
Please consult Fig. 1 and Fig. 3 (a) again, one side of supplying structure of ink 12 is to be connected with 11 commentaries on classics of body, and have a plurality of ink donor unit 121, each ink donor unit 121 all has an ink inlet opening 122, mainly by connecting the ink that an ink supply pipe (not shown) receives to be provided by an ink-feeding container (not shown), wherein each printing ink box 2 can correspond at least one ink donor unit 121, promptly only can correspond to single ink donor unit 121 during for monochromatic black casket when printing ink box 2, otherwise, when being the color ink casket, printing ink box 2 will correspond to the ink donor unit 121 more than two, to receive the ink of different colours.
See also Fig. 3 (b), it is the A-A cross-sectional view of Fig. 3 (a), as shown in the figure, ink donor unit 121 mainly has ink supply chamber 123, flexible member 124, embolism 125 and the Access Division 126 that receives ink via ink inlet opening 122, flexible member 124 can be a spring and all is arranged in the ink supply chamber 123 with embolism 125, and flexible member 124 is to be sheathed on the embolism 125, can be a soft rubber material and have elasticity as for embolism 125, second top 1252 that its dual-side has first top 1251 of the structure of being square respectively and is positioned at embolism 125 bottoms.
Please consult Fig. 3 (a) and Fig. 3 (b) again, clamp structure 13 of the present invention can present a cover body structure and be arranged at the top of supplying structure of ink 12, the one side is to be connected with 11 commentaries on classics of body, another side then has an Elastic buckle portion 131, and corresponding to the bottom position of preposition plate washer 113 of the ccontaining framework 111 of body 11, Elastic buckle portion 131 has a protuberance 132, when clamp structure 13 being rotated and makes Elastic buckle portion 131 partly be arranged in the ccontaining framework 111 and protuberance 132 by Elastic buckle portion 131 when being snapped on the preposition plate washer 113 of ccontaining framework 111, clamp structure 13 will be covered in supplying structure of ink 12 and supplying structure of ink will be applied a downward active force, and this downward active force will force supplying structure of ink 12 be connected with the bulge-structure 21 of printing ink box 2 (shown in Fig. 4 (a) and Fig. 4 (b)).
See also Fig. 3 (b) and Fig. 4 (b), wherein Fig. 4 (b) is the B-B cross-sectional view of Fig. 4 (a), as shown in the figure, when the protuberance 132 of the Elastic buckle portion 131 of clamp structure 13 is snapped on the preposition plate washer 113 of ccontaining framework 111, clamp structure 13 will apply downward active force on supplying structure of ink 12, so that the Access Division 126 of each ink donor unit 121 of supplying structure of ink 12 is inserted in the bulge-structure 21 and the storage tank 23 between the guide ink structure 22 of printing ink box 2 by its second end face, 1262 places, and this will make the guide ink structure 22 of printing ink box 2 insert in the ink supply runner 1263 of Access Division 126 of corresponding ink donor unit 121, and the post 221 of replacing of guide ink structure 22 is replaced mutually with second top 1252 of embolism 125, this embolism 125 is subjected to flexible member 124 pushing and inserts the state of the ink supply runner 1263 of Access Division 126 downwards simultaneously, also insert post 221 relations of replacing of guide ink structure 22 because of ink supply runner 1263 bottoms of Access Division 126, allow embolism 125 be subjected to replacing post 221 thrusting actions and produce the closed state of the ink supply runner 1263 that separates Access Division 126, also promptly the relation of 1261 of first end faces of first top 1251 of this embolism 125 and Access Division 126 will be become released state shown in Fig. 4 (b) by the contacted state shown in Fig. 3 (b), and make and produce a gap 127 between the two, and then make the ink of 123 inside, ink supply chamber via gap 127, ink supply runner 1263, adjacent space 222 and the opening 223 (shown in Fig. 3 (b)) of replacing 221 on post on the guide ink structure 22 injects printing ink box 2 inside, to provide ink continuously to printing ink box 2.
When printing ink box 2 will be changed or carrier 1 is will keep in repair the time, need to apply to the Elastic buckle portion 131 of clamp structure 13 earlier the active force of printing ink box 2 directions on one day, make the protuberance 132 of Elastic buckle portion 131 break away from the preposition plate washer 113 of ccontaining framework 111, and clamp structure 13 will no longer provide downward active force to supplying structure of ink 12, be that clamp structure 13 is no longer oppressed supplying structure of ink 12, can upwards pull the overall structure of supplying structure of ink 12 this moment, impel the Access Division 126 of this ink donor unit 121 can break away from the marriage relation of the storage tank 23 of 22 of the bulge-structure 21 of printing ink box 2 and guide ink structures, and the guide ink structure 22 of printing ink box 2 also will break away from the ink supply runner 1263 of Access Division 126, thus, this embolism 125 is not subjected to the thrusting action of replacing post 221 of this guide ink structure 22, this embolism 125 moves the pushing effect of corresponding flexible member 124 downward vertically simultaneously, make first top 1251 of embolism 125 keep replacing mutually with first end face 1261 of Access Division 126 again again, make ink supply chamber 123 isolated with the ink supply runner 1263 of Access Division 126, so that printing ink box 2 is stopped ink supply, it is black promptly printing ink box 2 to be broken, and therefore the situation of ink leak just can not take place when carrier 1 takes out when printing ink box 2.
In sum, the printing ink box bearing rack that is applicable to continuous ink-supply system of the present invention, it is to oppress supplying structure of ink by clamp structure, so that supplying structure of ink is connected with printing ink box and then ink supply, otherwise when clamp structure is not oppressed supplying structure of ink, supplying structure of ink will be separated with printing ink box, with China ink that printing ink box is broken, when printing ink box when carrier takes out, the situation of ink leak just can not take place in ink donor unit.Therefore, the printing ink box bearing rack of continuous ink-supply system that is applicable to of the present invention has the value of industry.
Claims (7)
1. carrier, be applicable to a continuous ink-supply system, in order to carry a printing ink box, this printing ink box has a bulge-structure and a guide ink structure, this guide ink structure be arranged in this bulge-structure and and this bulge-structure between form a storage tank, this guide ink structure has an opening, and in order to ink is injected this printing ink box, this carrier comprises:
One body has a ccontaining framework, in order to carry this printing ink box;
One supplying structure of ink, it is connected with this body, and has at least one ink donor unit, this ink donor unit has an ink inlet opening, in order to receiving this ink, and have the Access Division that the ink supply chamber, a flexible member, the embolism and that are connected with ink inlet opening have the ink supply runner, this flexible member and this embolism are arranged in this ink supply chamber, and this flexible member is sheathed on this embolism, impels this embolism to be subjected to the ink supply runner of this Access Division of sealing under the flexible member thrusting action;
One clamp structure, it is connected rotationally with this body and is snapped on this ccontaining framework, and then applies an active force on this supplying structure of ink, so that this supplying structure of ink is connected with this printing ink box;
Whereby, when this clamp structure is snapped on this ccontaining framework, this supplying structure of ink is connected with the bulge-structure of this printing ink box, so that the Access Division of this supplying structure of ink is inserted in the storage tank of this printing ink box, and with the guide ink structure of this printing ink box fit mutually, allow this this embolism of guide ink structure pushing tow separate the ink supply runner of this Access Division, and the ink supply runner that makes this Access Division produces a gap, and the ink of this ink supply chamber will inject this printing ink box inside via this opening of this gap, this ink supply runner and this guide ink structure.
2. carrier according to claim 1 is characterized in that this embolism is a rubber material and has elasticity.
3. carrier according to claim 1 is characterized in that the ccontaining framework of this body has a preposition plate washer.
4. carrier according to claim 3, a side that it is characterized in that this clamp structure comprises an Elastic buckle portion, and has a protuberance, this Elastic buckle portion partly is arranged in the ccontaining framework of this body, and be snapped in by this protuberance on this preposition plate washer of this ccontaining framework and locate, and make this clamp structure can apply active force on this supplying structure of ink.
5. carrier, be applicable to a continuous ink-supply system, in order to carry at least one printing ink box, this printing ink box has a bulge-structure and a guide ink structure, this guide ink structure be arranged in this bulge-structure and and this bulge-structure between form a storage tank, this guide ink structure has an opening, and in order to ink is injected this printing ink box, this carrier comprises:
One body has a ccontaining framework, in order to carry this printing ink box;
One supplying structure of ink, it is to be connected with this body, and has at least one ink donor unit, this ink donor unit has an ink inlet opening, in order to receive this ink;
One clamp structure, it is connected rotationally with this body and is snapped on this ccontaining framework, in order to apply an active force on this supplying structure of ink, so that this supplying structure of ink is connected with this printing ink box;
Whereby, when this clamp structure is snapped on this ccontaining framework, so that this supplying structure of ink is connected with this printing ink box, and this ink donor unit that makes this supplying structure of ink is partly inserted in this storage tank of this printing ink box, and this ink inlet opening is connected with this opening of this printing ink box, and this ink will inject this printing ink box inside via this opening of this ink inlet opening and this guide ink structure.
6. carrier according to claim 5 is characterized in that the ccontaining framework of this body has a preposition plate washer.
7. carrier according to claim 6, a side that it is characterized in that this clamp structure comprises an Elastic buckle portion, and has a protuberance, this Elastic buckle portion partly is arranged in the ccontaining framework of this body, and be snapped in by this protuberance on this preposition plate washer of this ccontaining framework and locate, and make this clamp structure can apply active force on this supplying structure of ink.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007100968686A CN101279539B (en) | 2007-04-05 | 2007-04-05 | Printing ink box bearing rack suitable for continuous ink supply system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007100968686A CN101279539B (en) | 2007-04-05 | 2007-04-05 | Printing ink box bearing rack suitable for continuous ink supply system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101279539A CN101279539A (en) | 2008-10-08 |
CN101279539B true CN101279539B (en) | 2011-04-06 |
Family
ID=40012293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007100968686A Expired - Fee Related CN101279539B (en) | 2007-04-05 | 2007-04-05 | Printing ink box bearing rack suitable for continuous ink supply system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101279539B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6977760B2 (en) * | 2019-01-21 | 2021-12-08 | セイコーエプソン株式会社 | Liquid injection device and maintenance method of liquid injection device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1475355A (en) * | 2002-08-15 | 2004-02-18 | 珠海天威飞马打印耗材有限公司 | Improved ink box for continuous ink supply system |
CN1480334A (en) * | 2002-09-06 | 2004-03-10 | 珠海天威飞马打印耗材有限公司 | Device for continuous ink supply in ink jet printer |
CN1593926A (en) * | 2003-09-12 | 2005-03-16 | 珠海天威飞马打印耗材有限公司 | Ink tank holder of ink-jet printer |
CN2725000Y (en) * | 2004-09-28 | 2005-09-14 | 程正发 | Intelligent dynamic continuous ink supply box |
-
2007
- 2007-04-05 CN CN2007100968686A patent/CN101279539B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1475355A (en) * | 2002-08-15 | 2004-02-18 | 珠海天威飞马打印耗材有限公司 | Improved ink box for continuous ink supply system |
CN1480334A (en) * | 2002-09-06 | 2004-03-10 | 珠海天威飞马打印耗材有限公司 | Device for continuous ink supply in ink jet printer |
CN1593926A (en) * | 2003-09-12 | 2005-03-16 | 珠海天威飞马打印耗材有限公司 | Ink tank holder of ink-jet printer |
CN2725000Y (en) * | 2004-09-28 | 2005-09-14 | 程正发 | Intelligent dynamic continuous ink supply box |
Also Published As
Publication number | Publication date |
---|---|
CN101279539A (en) | 2008-10-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102131648B (en) | Image forming apparatus | |
CN203063281U (en) | Liquid container, liquid injection system and liquid supply system | |
CN1853937B (en) | Method for manufacturing liquid supply system, and liquid supply system | |
AU768894B2 (en) | Techniques for adapting a small form factor ink-jet cartridge for use in a carriage sized for a large form factor cartridge | |
CN102416770A (en) | Tank unit and liquid ejection system having the same | |
US9475294B2 (en) | Method for injecting printing material, injection kit, and injection device | |
CN201064974Y (en) | Ink-jet printer and continuous ink-supplying device | |
US20200079096A1 (en) | Liquid reservoir container and liquid ejection apparatus | |
JP2023178446A (en) | Inkjet recording device and ink tank | |
CN202782177U (en) | Cover, liquid accommodating container and liquid spraying system | |
CN103419503B (en) | Lid and liquid housing container | |
CN101279539B (en) | Printing ink box bearing rack suitable for continuous ink supply system | |
CN201052699Y (en) | Ink transporting device for ink-jet printer | |
KR20030088143A (en) | Ink container configured to establish reliable fluidic connection to a receiving station | |
CN202573288U (en) | Liquid supply needle, liquid supply apparatus, and liquid spraying apparatus | |
CN101204883A (en) | Typing agency applicable to continuous provide ink system and its bearing seat and provide ink container | |
US20030197765A1 (en) | Pinch seal providing fluid interconnects between fluid delivery system components | |
CN201052700Y (en) | Ink-jet printer | |
CN101152792B (en) | Print mechanism, ink supplying container and bearing base thereof | |
CN201483891U (en) | Ink cartridge for ink-jet printer | |
CN101269579B (en) | Stamp-pad ink box structure suitable for continuous ink supply system | |
CN203063285U (en) | Ink filled apparatus | |
CN203063284U (en) | Ink filled apparatus | |
CN202016264U (en) | Ink cartridge | |
JP5861732B2 (en) | Injection kit and injection method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20200405 |
|
CF01 | Termination of patent right due to non-payment of annual fee |