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. 21, 1984
Filed:
Jul. 22, 1982
Applicant:
Inventors:
Larry G Boxall, Baltimore, MD (US);
Douglas W Townsend, Glen Burnie, MD (US);
Assignee:
Martin Marietta Corporation, Bethesda, MD (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B44D / ; C25C / ;
U.S. Cl.
CPC ...
422113 ; 427122 ; 4271261 ; 4271262 ; 427228 ; 4274191 ; 4274197 ; 427379 ; 427380 ; 2042 / ; 204294 ;
Abstract
The application of a Refractory Hard Material coating composition to selected areas of the surface of an aluminum cell cathode permits tailoring or control of ledge formation during cell operation. Cell voltage improvements are also noted, resulting in more efficient cell performance.