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:
Oct. 07, 1980
Filed:
Jul. 31, 1978
Applicant:
Inventor:
John Chester, Stockport, GB;
Assignee:
Ferodo Limited, Manchester, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
260 38 ; 260 / ;
Abstract
Asbestos-free friction material compositions containing from about 20 to 45% by volume of the material of a thermoset binder of a phenol formaldehyde resin and optionally a heat and chemical reistant rubber, up to 10% by volume of an inert mineral filler and as the sole fibrous reinforcement 5 to 15% by volume of short lengths of steel fibers are disclosed. The compositions are useful as brake pads and the like and has properties comparable with asbestos-based materials.
Chester, John. (1980). Friction materials (U.S. Patent No. 4226759). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4226759
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile