BE776025A - Filtre pour cigarette - Google Patents

Filtre pour cigarette

Info

Publication number: BE776025A
Authority: BE; Belgium
Prior art keywords: cigarette filter; cigarette; filter
Prior art date: 1970-11-30

Application number

BE776025A

Other languages

English (en)

Inventor

T W Summers

Original Assignee

British American Tobacco Co

Priority date (The priority date 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 date listed.)

1970-11-30

Filing date

1971-11-30

Publication date

1972-05-30

1971-11-30 Application filed by British American Tobacco Co filed Critical British American Tobacco Co

1972-05-30 Publication of BE776025A publication Critical patent/BE776025A/fr

Links

Classifications

- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
- A24D3/041—Tobacco smoke filters characterised by their shape or structure with adjustable means for modifying the degree of filtration of the filter

BE776025A 1970-11-30 1971-11-30 Filtre pour cigarette BE776025A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US9356070A	1970-11-30	1970-11-30

Publications (1)

Publication Number	Publication Date
BE776025A true BE776025A (fr)	1972-05-30

Family

ID=22239610

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE776025A BE776025A (fr)	1970-11-30	1971-11-30	Filtre pour cigarette

Country Status (9)

Country	Link
US (1)	US3695274A (fr)
AU (1)	AU450226B2 (fr)
BE (1)	BE776025A (fr)
BR (1)	BR7107540D0 (fr)
CA (1)	CA947604A (fr)
CH (1)	CH545601A (fr)
GB (1)	GB1330936A (fr)
NL (1)	NL154926B (fr)
ZA (1)	ZA717384B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4433696A (en)	1981-10-02	1984-02-28	Philip Morris Incorporated	Variable dilution filter
USRE32221E (en) *	1981-10-02	1986-08-12		Variable dilution filter
WO1984000478A1 (fr) *	1982-07-23	1984-02-16	Philip Morris Inc	Cigarettes et procedes de fabrication
EP0102247B1 (fr) *	1982-09-01	1987-10-28	Imperial Tobacco Limited	Embout pour un article allongé à fumer
US4649944A (en) *	1982-09-30	1987-03-17	Philip Morris Incorporated	Filter cigarette
US4526183A (en) *	1982-09-30	1985-07-02	Philip Morris Incorporated	Filter cigarette
US4527573A (en) *	1982-11-05	1985-07-09	Philip Morris Incorporated	Filter cigarette
US4570649A (en) *	1982-09-30	1986-02-18	Philip Morris Incorporated	Filter cigarette
US4532943A (en) *	1982-09-30	1985-08-06	Philip Morris Incorporated	Adjustable filter cigarette
US4559955A (en) *	1983-06-20	1985-12-24	Link Electronics Ltd	Controlled air bleed cigarette holder
GB2158689B (en) *	1984-05-19	1987-11-18	British American Tobacco Co	Improvements relating to smoking articles
US4620553A (en) *	1984-05-22	1986-11-04	Imperial Group Public Limited Company	Tobacco smoke filters
NL191233C (nl) *	1985-05-20	1995-04-03	Tobacco Res & Dev	Sigaret met blokkeerbare luchtinlaat.
US4649945A (en) *	1985-12-05	1987-03-17	R. J. Reynolds Tobacco Company	Adjustable air dilution cigarette exhibiting controlled pressure drop
US4649941A (en) *	1985-12-16	1987-03-17	R. J. Reynolds Tobacco Company	Adjustable air dilution cigarette exhibiting controlled pressure drop
US4638820A (en) *	1986-02-03	1987-01-27	R. J. Reynolds Tobacco Company	Puff control cigarette
BE1000454A4 (nl) *	1987-04-09	1988-12-13	Tabacofina Nv	Mondstuk voor sigaretten en dergelijke.
US4949736A (en) *	1988-03-16	1990-08-21	R. J. Reynolds Tobacco Company	Variable ventilation mouthpiece for a smoking article
US4898190A (en) *	1989-03-01	1990-02-06	R. J. Reynolds Tabacco Company	Adjustable air dilution cigarette with pressure drop compensation
GB9023368D0 (en) *	1990-10-26	1990-12-05	Rothmans International Ltd	Smoking article
CN1109304A (zh) *	1994-11-09	1995-10-04	宁宝纲	一种卷烟复合滤嘴
RU2125822C1 (ru) *	1998-06-15	1999-02-10	Погосян Сейран Амаякович	Курительное изделие
RU2138974C1 (ru)	1999-03-12	1999-10-10	Погосян Сейран Амаякович	Курительное изделие
US6318376B1 (en) *	1999-12-07	2001-11-20	Chih-Wen Cheng	Filter tip structure for cigarette
GB201310599D0 (en)	2013-06-13	2013-07-31	Filtrona Filter Prod Dev Co	Tabacco smoke filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2145733A (en) *	1938-02-01	1939-01-31	Palumbo Peter	Filter and ejector for cigarette and cigar holders
US2764513A (en) *	1954-04-02	1956-09-25	Abe R Brothers	Cigarette with means for removing deleterious products of combustion
US3335733A (en) *	1965-03-15	1967-08-15	John M Brooks	Smoke filter
US3512537A (en) *	1968-11-27	1970-05-19	U S Remedy Corp	Adjustable aerated cigarette

1970
- 1970-11-30 US US93560A patent/US3695274A/en not_active Expired - Lifetime
1971
- 1971-09-28 GB GB4512271A patent/GB1330936A/en not_active Expired
- 1971-11-01 CA CA126,531A patent/CA947604A/en not_active Expired
- 1971-11-03 ZA ZA717384A patent/ZA717384B/xx unknown
- 1971-11-11 BR BR7540/71A patent/BR7107540D0/pt unknown
- 1971-11-19 CH CH1689671A patent/CH545601A/xx not_active IP Right Cessation
- 1971-11-19 AU AU35939/71A patent/AU450226B2/en not_active Expired
- 1971-11-19 NL NL717115951A patent/NL154926B/xx not_active IP Right Cessation
- 1971-11-30 BE BE776025A patent/BE776025A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
AU3593971A (en)	1973-05-24
BR7107540D0 (pt)	1973-02-22
CA947604A (en)	1974-05-21
AU450226B2 (en)	1974-07-04
GB1330936A (en)	1973-09-19
DE2156043A1 (de)	1972-05-31
NL154926B (nl)	1977-11-15
DE2156043B2 (de)	1976-05-20
ZA717384B (en)	1972-07-26
NL7115951A (fr)	1972-06-01
CH545601A (fr)	1974-02-15
US3695274A (en)	1972-10-03

Legal Events

Date

Code

Title

Description

1990-05-31

RE

Patent lapsed

Owner name: BRITISH AMERICAN TOBACCO CY LTD

Effective date: 19891130

Publication	Publication Date	Title
BE776025A (fr)	1972-05-30	Filtre pour cigarette
FR1510007A (fr)	1968-01-19	Filtre pour cigarettes
FR1460296A (fr)	1966-11-25	Filtre pour cigarette
CH518115A (de)	1972-01-31	Filter
CH454713A (fr)	1968-04-15	Filtre pour cigarettes
BE772426A (fr)	1972-01-17	Filtre
BE760479A (fr)	1971-05-27	Filtre exterieur pour aquariums
BE778547A (fr)	1972-05-16	Filtre pour la fumee de tabac
FI50928C (fi)	1976-09-10	Parannettu suodatinsavuke
FR1539540A (fr)	1968-09-13	Filtre pour cigarette
CH535547A (fr)	1973-04-15	Filtre pour la fumée de tabac
BE771265A (fr)	1971-12-16	Filtre pour la fumee de tabac
AT300638B (de)	1972-08-10	Zigarettenfilter
BE745562A (fr)	1970-08-05	Filtre pour cigarette
CH540656A (fr)	1973-08-31	Elément de filtre pour fumée de tabac
CH542597A (fr)	1973-10-15	Filtre pour la fumée de tabac
BE751599A (fr)	1970-12-08	Filtre suiveur
BE769760A (fr)	1971-11-16	Cornets-filtre pour filtres
CH521100A (fr)	1972-04-15	Filtre pour cigarette
BE775476A (fr)	1972-05-17	Filtres pour cigarette
BE773326A (fr)	1972-03-30	Filtre electromecanique
BE768197A (fr)	1971-11-03	Filtre multi-etage
BE752696A (fr)	1970-12-30	Filtre a fumee
TR17365A (tr)	1975-03-24	Filtreler
BE749275A (fr)	1970-10-21	Filtre