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:
Feb. 08, 1983
Filed:
Apr. 09, 1982
Applicant:
Inventors:
Gary D Fritze, Hastings, MN (US);
Joseph Graham, Oakdale, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428144 ; 428149 ; 428240 ; 428241 ; 428251 ; 428256 ; 428285 ; 428297 ; 428298 ; 428323 ; 428325 ; 428329 ; 428331 ; 428468 ; 428489 ; 428920 ; 428921 ;
Abstract
Fire- and heat-resistant sheet material comprises fibrous webs adhered together with asphalt which is filled with inorganic particles, intumescable granules, and a catalyst which catalyzes charring of the asphalt.
Fritze, Gary. (1983). Heat- and flame-resistant sheet material (U.S. Patent No. 4372997). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4372997
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile