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:
Mar. 06, 1979
Filed:
May. 14, 1976
Applicant:
Inventor:
Victor Brantl, 8 Muenchen 2, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24D / ;
U.S. Cl.
CPC ...
131 / ;
Abstract
A tobacco-filled smoking article adapted to produce a low proportion of toxic substances such as carbon monoxide in the gaseous products of combustion comprising a tobacco filling and means to confine said tobacco, wherein within the volume of tobacco, there is at least one tobaccoless region separated from the tobacco by a substantially air-impermeable partition.
Brantl, Victor. (1979). Reduction of toxic substances in tobacco smoke (U.S. Patent No. 4142534). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4142534
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile