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:
Jan. 20, 1976
Filed:
May. 30, 1974
Applicant:
Inventor:
Akira Shibata, Yokohama, JA;
Assignee:
Chugai Denki Kogyo Kabushiki-Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
7517 / ;
Abstract
An electrical contact material obtained through internally oxidizing a silver alloy which is the solid solution with 5 to 20 weight percent of one or more of the solute metal elements selected from tin, zinc and antimony and which contains 0.01 to 1.0% weight percent of bismuth. The silver alloy may also include up to 0.5 weight percent of ferrous metal or metals.