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:
Oct. 24, 2000
Filed:
Dec. 22, 1998
Applicant:
Inventors:
Michael K Burke, Wheaton, IL (US);
Richard F Murphy, Batavia, IL (US);
Assignee:
Zeftek, Inc., Montgomery, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
264105 ; 264119 ; 264248 ; 264319 ;
Abstract
A self-lubricating plastic center plate assembly bearing liner for placement between a body bolster center plate and a truck bolster center plate of a center plate assembly in a railroad car, wherein the liner is configured to substantially mate with the center plates and includes a body having an integrally formed electrically conductive ring of plastic material which provides electrical continuity between the plates in the center plate assembly.