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EP0120366
European procedure
Extract from the Register of European Patents
EP About this file: EP0120366
| EP0120366 - An optical component for use in fiber optic communication systems [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 15.09.1989 Database last updated on 03.12.2024 | Most recent event Tooltip | 15.09.1989 | No opposition filed within time limit | published on 02.11.1989 [1989/44] | Applicant(s) | For all designated states POLAROID CORPORATION 549 Technology Square Cambridge Massachusetts 02139 / US | [N/P] |
| Former [1984/40] | For all designated states POLAROID CORPORATION 549 Technology Square Cambridge, Massachusetts 02139 / US | Inventor(s) | 01 /
Plummer, William T. 129 Arena Terrace Concord Massachusetts, 01742 / US | [1984/40] | Representative(s) | Koch, Günther, et al Patentanwälte Wallach, Koch, Dr. Haibach, Feldkamp Postfach 12 11 20 80035 München / DE | [N/P] |
| Former [1984/40] | Koch, Günther, Dipl.-Ing., et al Patentanwälte Wallach, Koch, Dr. Haibach, Feldkamp, Postfach 12 11 20 D-80035 München / DE | Application number, filing date | 84102482.1 | 08.03.1984 | [1984/40] | Priority number, date | US19830479489 | 28.03.1983 Original published format: US 479489 | [1984/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0120366 | Date: | 03.10.1984 | Language: | EN | [1984/40] | Type: | A3 Search report | No.: | EP0120366 | Date: | 08.10.1986 | Language: | EN | [1986/41] | Type: | B1 Patent specification | No.: | EP0120366 | Date: | 17.11.1988 | Language: | EN | [1988/46] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.08.1986 | Classification | IPC: | G02B6/24, G02B6/34 | [1988/46] | CPC: |
G02B6/29308 (EP);
G02B6/2931 (EP)
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| Former IPC [1984/40] | G02B7/26 | Designated contracting states | AT, CH, DE, FR, GB, IT, LI, NL [1984/40] | Title | German: | Optische Komponente zur Verwendung in optischen Datenübertragungssystemen | [1984/40] | English: | An optical component for use in fiber optic communication systems | [1984/40] | French: | Un composant optique pour utilisation dans des systèmes de communication optique | [1984/40] | Examination procedure | 27.12.1984 | Examination requested [1985/11] | 29.07.1987 | Despatch of a communication from the examining division (Time limit: M06) | 02.02.1988 | Reply to a communication from the examining division | 26.04.1988 | Despatch of communication of intention to grant (Approval: Yes) | 10.05.1988 | Communication of intention to grant the patent | 25.07.1988 | Fee for grant paid | 25.07.1988 | Fee for publishing/printing paid | Opposition(s) | 18.08.1989 | No opposition filed within time limit [1989/44] | Fees paid | Renewal fee | 27.03.1986 | Renewal fee patent year 03 | 30.03.1987 | Renewal fee patent year 04 | 28.03.1988 | Renewal fee patent year 05 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [A]US4111524 (TOMLINSON III WALTER JOHN); | [A]US4274706 (TANGONAN GREGORY L); | [Y]US4337993 (KOMPFNER RUDOLF); | [AD]US4359259 (HORNER JOSEPH L, et al); | [YP]US4387955 (LUDMAN JACQUES E, et al) | [X] - SOVIET JOURNAL OF QUANTUM ELECTRONICS, vol. 13, no. 2, February 1983, pages 125-138, American Institute of Physics, New York, US; E.M. DIANOV et al.: "Wavelength-division multiplexing of channels in fiber-optic communication lines (review)" | [Y] - NAVY TECHNICAL DISCLOSURE BULLETIN, vol. 6, no. 2, February 1981, pages 21-26; R.A. FERRANTE et al.: "Diffractive fiber optic demultiplexer" |