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:
Nov. 17, 1992
Filed:
Aug. 02, 1991
Applicant:
Inventor:
Edgar E Graham, Lyndhurst, OH (US);
Assignee:
Cleveland State University, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
384463 ; 384492 ; 384912 ;
Abstract
Ceramic bearing means being operated at elevated temperatures under atmospheric conditions are lubricated with metal oxide products. The lubricants are formed in situ by continuously oxidizing a metal source located in physical proximity to the ceramic bearing surfaces during operation of such bearing means.