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:
Jun. 22, 1993
Filed:
Jul. 16, 1992
Applicant:
Inventors:
Rafil A Basheer, Rochester, MI (US);
Ismat A Abu-Isa, Rochester Hills, MI (US);
Darrel S Nelson, Warren, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60L / ; H05G / ; A47L / ;
U.S. Cl.
CPC ...
219202 ; 219522 ; 219553 ; 1525005 ; 1525006 ;
Abstract
A heated wiper blade has a conductive elastomer body and a pair of electrodes along each side of the body. The elastomer which has a resistivity in the range of 20-128 ohm-cm and a hardness of Shore A 64-70 comprises a rubber compound including carbon black in the range of 37-60 phr, a small amount of graphite in the range of 13 to 20 phr and a low concentration of plasticizer oil in the range 20-40 phr.