MD8B1 - Cigarette filter - Google Patents

Cigarette filter

Info

Publication number: MD8B1
Authority: MD; Moldova
Prior art keywords: cigarette filter; cigarette; filter
Prior art date: 1986-08-25

Application number

MD940014A

Other languages

Romanian (ro)

Other versions

MD8C2 (en

Inventor

Charles G Lamb

Andrew Mcmurtrie

Original Assignee

Brown & Williamson Tobacco Corp

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.)

1986-08-25

Filing date

1993-12-14

Publication date

1994-03-31

1986-08-25 Priority claimed from US06/899,590 external-priority patent/US4708150A/en

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

1994-03-31 Publication of MD8B1 publication Critical patent/MD8B1/en

1994-08-31 Publication of MD8C2 publication Critical patent/MD8C2/en

Links

MD94-0014A 1986-08-25 1993-12-14 Cigar filter MD8C2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/899,590 US4708150A (en)	1986-08-25	1986-08-25	Cigarette filter
SU874203258A SU1547692A3 (en)	1986-08-25	1987-08-24	Cigarette filter

Publications (2)

Publication Number	Publication Date
MD8B1 true MD8B1 (en)	1994-03-31
MD8C2 MD8C2 (en)	1994-08-31

Family

ID=26666106

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
MD94-0014A MD8C2 (en)	1986-08-25	1993-12-14	Cigar filter

Country Status (3)

Country	Link
LT (1)	LT2009B (en)
LV (1)	LV5032A3 (en)
MD (1)	MD8C2 (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 LV920093A patent/LV5032A3/en unknown
- 1992-08-28 LT LTRP147A patent/LT2009B/en not_active IP Right Cessation
1993
- 1993-12-14 MD MD94-0014A patent/MD8C2/en active IP Right Grant

Also Published As

Publication number	Publication date
LT2009B (en)	1993-02-15
MD8C2 (en)	1994-08-31
LV5032A3 (en)	1993-06-10

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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: 20030213