MD9B1 - Cigarette filter - Google Patents

Cigarette filter

Info

Publication number: MD9B1
Authority: MD; Moldova
Prior art keywords: cigarette filter; cigarette; filter
Prior art date: 1982-02-16

Application number

MD940012A

Other languages

Romanian (ro)

Other versions

MD9C2 (en

Inventor

Charles G Lamb

Original Assignee

Brown & Williamson Tobacco

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.)

1982-02-16

Filing date

1993-12-14

Publication date

1994-03-31

1982-02-16 Priority claimed from US06/349,103 external-priority patent/US4406294A/en

1993-12-14 Application filed by Brown & Williamson Tobacco filed Critical Brown & Williamson Tobacco

1994-03-31 Publication of MD9B1 publication Critical patent/MD9B1/en

1994-08-31 Publication of MD9C2 publication Critical patent/MD9C2/en

Links

MD94-0012A 1982-02-16 1993-12-14 Cigar filter MD9C2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/349,103 US4406294A (en)	1982-02-16	1982-02-16	Cigarette filter
SU833558780A SU1382393A3 (en)	1982-02-16	1983-02-14	Cigarette filter

Publications (2)

Publication Number	Publication Date
MD9B1 true MD9B1 (en)	1994-03-31
MD9C2 MD9C2 (en)	1994-08-31

Family

ID=26665963

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
MD94-0012A MD9C2 (en)	1982-02-16	1993-12-14	Cigar filter

Country Status (3)

Country	Link
LT (1)	LT2010B (en)
LV (1)	LV5030A3 (en)
MD (1)	MD9C2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4256122A (en) *	1979-04-11	1981-03-17	Brown & Williamson Tobacco Corporation	Cigarette filter

1992
- 1992-08-10 LV LV920091A patent/LV5030A3/en unknown
- 1992-08-28 LT LTRP148A patent/LT2010B/en unknown
1993
- 1993-12-14 MD MD94-0012A patent/MD9C2/en active IP Right Grant

Also Published As

Publication number	Publication date
LV5030A3 (en)	1993-06-10
MD9C2 (en)	1994-08-31
LT2010B (en)	1993-02-15

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Legal Events

Date	Code	Title	Description
1994-08-18	FG4A	Patent for invention issued
1999-06-15	IF99	Valid patent on 19990615	Free format text: EXPIRES: 20070823