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:
Apr. 06, 1976
Filed:
Aug. 12, 1974
Applicant:
Inventor:
Ellis G Wheadon, Anderson, IN (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P / ; B21D / ;
U.S. Cl.
CPC ...
29-2 ; 29-61 ;
Abstract
Coining as-cast, Pb-Ca, expanded lead grids destined for use in positive, Faure-type, lead-acid storage battery plates. Expanded, as-cast, Pb-Ca strip is coined to remove all sharp edges and corners, to reorient the alloy's grain boundaries and to submerge nodal expansion cracks for increasing the cycle life of positive Pb-acid storage battery plates made therefrom.