The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 1981
Filed:
Apr. 19, 1979
Applicant:
Inventors:
Stanley W Bynre, North Crawley, GB;
Barry J Tompkins, Stony Stratford, GB;
Ernest B Hayes, Newcastle-upon-Tyne, GB;
Assignee:
American Filtrona Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24D / ;
U.S. Cl.
CPC ...
131335 ; 156296 ; 428375 ; 493 49 ;
Abstract
Tobacco smoke filters comprising a rod of tobacco smoke filtering material, such as cellulose acetate tow including a thread incorporated therein or a tape wrapped therearound, the thread or tape carrying a smoke-modifying agent, such as a flavoring material and methods and apparatus for forming such filters.