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:
Dec. 20, 1977
Filed:
Apr. 29, 1976
Applicant:
Inventors:
James W Simpson, Springfield, PA (US);
Andrew Cosgarea, Jr, Newtown Square, PA (US);
Richard D Bankert, Wilmington, DE (US);
Assignee:
Franklin Mint Corporation, Franklin Center, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
295277 ; 204146 ; 148-2 ; 29DI / ; 29 9 / ; 40 275 ;
Abstract
A silver color coin or medal is produced from a copper-silver alloy containing from about 30 to 60% by weight of silver. The normal rose color caused by the copper in the alloy is removed by selective electrolytic etching.
Simpson, James. (1977). Silver color proof coin or medal and method of making the same (U.S. Patent No. 4063346). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4063346
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile