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:
Sep. 11, 1990
Filed:
Jul. 10, 1989
Applicant:
Inventors:
Robert R Johnson, Louisville, KY (US);
Jiunn-Yann Tang, Louisville, KY (US);
Assignee:
Brown & Williamson Tobacco Corporation, Louisville, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24D / ; A24B / ;
U.S. Cl.
CPC ...
131194 ; 131335 ; 131340 ; 131359 ;
Abstract
A cigarette including a tobacco rod circumscribed by a metal foil wrapper and having a cylinder of carbon fuel surrounding the metal foil wrapper tobacco rod. An air permeable outer wrapper circumscribes the cylinder of carbon fuel. A filter plug is located at one end of the cigarette.