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:
Jul. 21, 1987
Filed:
Mar. 06, 1985
Applicant:
Inventor:
Robert R Johnson, Louisville, KY (US);
Assignee:
Brown & Williamson Tobacco Corporation, Louisville, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24D / ;
U.S. Cl.
CPC ...
131336 ; 131339 ; 131340 ; 1311981 ;
Abstract
A tobacco smoke mouthpiece including a smoke impervious plug member having an upstream smoke inlet end and a downstream smoke outlet or mouth end with groove(s) in the periphery of the plug member extending from the inlet end to the mouth end, the plug member being blocked adjacent the inlet end so that the groove(s) forms the path for smoke flow from inlet end to mouth end of the plug member.