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:
Aug. 20, 1991
Filed:
Jul. 12, 1990
Applicant:
Inventor:
Jay M Larson, Marshall, MI (US);
Assignee:
Eaton Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75231 ; 75230 ; 75246 ; 419 10 ; 419 11 ; 419 36 ; 419 37 ; 419 38 ;
Abstract
Powdered metal parts, especitally valve parts of an internal combustion engine which are subject to adhesive wear in service, withstand such wear substantially better when they have substantially uniformly dispersed through them from about 0.75% to about 7.0% by weight of hydrate magnesium silicate (talc).