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. 20, 1977
Filed:
Nov. 28, 1975
Richard B Beemer, Lombard, IL (US);
Richard G Hennessey, Oak Lawn, IL (US);
International Harvester Company, Chicago, IL (US);
Abstract
Providing a secondary frictional material between a primary frictional material and a backing plate for use in a clutch or brake system having a reaction member which operates in an oil bath, whereupon the consumption of the primary frictional material through contact with the reaction member allows contact between the secondary frictional material and the reaction member. The secondary frictional material is of a composition such that upon motion contact with a reaction member an audible sound is produced.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile