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. 13, 2002
Filed:
Apr. 28, 2000
Applicant:
Inventors:
Dennis R. Brauer, Brighton, IL (US);
Eugene Shapiro, Glen Carbon, IL (US);
Kip D. Klein, St. Louis, MO (US);
John C. Yarwood, Edwardsville, IL (US);
John F. Breedis, Trumbull, CT (US);
Assignee:
Olin Corporation, East Alton, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/520 ; C22C 9/04 ;
U.S. Cl.
CPC ...
B32B 1/520 ; C22C 9/04 ;
Abstract
There is provided a copper-base alloy useful for coinage that has a golden visual appearance. The material has a transverse electrical conductivity substantially similar to that of copper alloy C713 and when clad to a copper alloy C110 core, a transverse electrical conductivity substantially similar to both sides of a Susan B. Anthony United States dollar coin. The copper-base alloy is a copper-manganese-zinc-nickel alloy.