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:
Nov. 19, 1991
Filed:
Aug. 29, 1990
Applicant:
Inventors:
Jerry W Lawson, Clemmons, NC (US);
William J Casey, III, Clemmons, NC (US);
Assignee:
R. J. Reynolds Tobacco Company, Winston-Salem, NC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A24D / ; A24D / ;
U.S. Cl.
CPC ...
131365 ; 131194 ;
Abstract
Disclosed are smoking articles, such as cigarettes, which include a short, i.e., about 9 mm long carbonaceous fuel element positioned in a heat exchange relationship with a physically separate aerosol generating means. Surrounding the fuel element is a tobacco/glass insulating wrapper, preferably comprising at least four layers, defined from the periphery of the fuel element as: (1) a first layer of glass fibers; (2) a first tobacco-containing sheet; (3) a second layer of glass fibers, and (4) a second tobacco-containing sheet.