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. 13, 1990
Filed:
Jan. 25, 1988
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
A friction brake of a type which comprises at least one friction element and a counter-friction element frictionally engageable with the friction element. One of the friction and counter-friction elements is made of carbon and the other of the friction and counter-friction elements is comprised of at least two first and second portions both engageable simultaneously with such one of the friction and counter-friction elements during a braking operation. The first portion of such other of the friction and counter-friction elements is made of the same carbon material and the second portion thereof is made of ferrous material.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile