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. 01, 1981
Filed:
Oct. 03, 1977
Applicant:
Inventors:
Jacques Ehretsmann, Conches, CH;
Robert D Cowling, Geneva, CH;
Alfred D Schweizer, Geneva, CH;
William M Caldwell, Newtownards, GB;
Dennis F Boyd, Belfast, GB;
Robert J Boyd, Craigavad, GB;
Assignee:
Gallaher Limited, Belfast, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24B / ; A24D / ;
U.S. Cl.
CPC ...
131359 ;
Abstract
The invention is concerned with a tobacco substitute which is made by subjecting a strand of viscose fibres to a controlled pyrolysis until the organic residue contains at least 90% carbon by weight, and loading the carbon strand with ingredients for smoking.
Ehretsmann, Jacques. (1981). Smoking materials (U.S. Patent No. 4286604). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4286604
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile