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. 13, 1992
Filed:
Aug. 30, 1991
Applicant:
Inventors:
Edward M Hagerman, Royal Oak, MI (US);
Richard P Atkins, Utica, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9061 ;
Abstract
An engine valve-train pushrod of composite material construction and a process of manufacturing the same. The pushrod is an elongate, hollow rod of epoxy resin and fibers. The fibers consist essentially of graphite, glass or a combination thereof. Endcaps are secured internally to each end of the elongate hollow rods.