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. 07, 1990
Filed:
Jan. 25, 1989
Applicant:
Inventors:
Edgar Mentzel, Quickborn, DE;
Wolfgang Wildenau, Bargfeld-Stegen, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24D / ;
U.S. Cl.
CPC ...
131365 ; 131349 ;
Abstract
There is disclosed a cigarette which extinguishes rapidly wherein the tobacco in the cigarette is surrounded by a casing of cigarette paper having areas with lesser and greater air permeability in the form of patterned annular zones.
Quick Actions:
Mentzel, Edgar. (1990). Cigarette which goes out rapidly or is self-extinguishing (U.S. Patent No. 4945932). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4945932
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile