BROWN & WILLIAMSON TOBACCO CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A24B MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF317
 
  
 
A24D CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES222

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7428905 Method of making smokeable tobacco substitute filler having an increased fill valueJul 30, 04Sep 30, 08[A24D]
7398783 Smoking articleAug 23, 04Jul 15, 08[A24B]
7381277 Flavoring a cigarette by using a flavored filter plug wrapJul 29, 04Jun 03, 08[A24D]
7322361 Method for supplying a flowable medium to the tobacco of a smoking productMar 30, 04Jan 29, 08[A24B]
RE31739 Lightly prized tobaccoJun 11, 81Nov 20, 84[A24B, 900-, 369-]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0025,292 Producing triple section filters using a dual rod filter makerAbandonedJul 29, 04Feb 02, 06[B31C]
2005/0056,294 Modified reconstituted tobacco sheetAbandonedJul 30, 04Mar 17, 05[A24B]
2004/0237,984 Cigarette filterAbandonedJan 30, 04Dec 02, 04[A24D]
2003/0098,030 Cigarette filterAbandonedJun 24, 02May 29, 03[A24D]
2003/0066,539 Cigarette FilterAbandonedOct 30, 01Apr 10, 03[A24D]
5092352 Chewing tobacco productExpiredDec 14, 83Mar 03, 92[A24B]
5083577 Apparatus for metering tobaccoExpiredSep 27, 90Jan 28, 92[A24B]
5054259 Apparatus for positioning a spacer panelExpiredSep 27, 90Oct 08, 91[B65B]
5024351 Dispenser device for removing planar panels from a hopperExpiredFeb 26, 90Jun 18, 91[B65G, B65H]
4977548 Clock security deviceExpiredApr 23, 90Dec 11, 90[G04B]
4867298 Conveyor system for planar panelExpiredJul 29, 88Sep 19, 89[B65G]
4815592 Nested cigarette package spacerExpiredMay 13, 87Mar 28, 89[A24F]
RE32615 CigarettesExpiredMar 30, 87Mar 01, 88[A24D]
4718435 Smoking articlesExpiredDec 22, 86Jan 12, 88[A24C, A24D]
4718436 Smoking articlesExpiredDec 22, 86Jan 12, 88[A24D]
4637410 CigarettesExpiredJul 22, 85Jan 20, 87[A24D]
4582070 Tobacco treating processExpiredApr 07, 83Apr 15, 86[A24B]
4566468 Process and system for making a blended tobacco productExpiredMay 25, 83Jan 28, 86[A24B]
4557280 Process for reduction of nitrate and nicotine content of tobacco by microbial treatmentExpiredJun 15, 78Dec 10, 85[A24B]
4556073 Process for reduction of nitrate content of tobacco by microbial treatmentExpiredJun 15, 78Dec 03, 85[A24B]

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