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:
Mar. 13, 1990
Filed:
Feb. 13, 1989
Applicant:
Inventors:
Assignee:
Matsushita Electric Works, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B / ;
U.S. Cl.
CPC ...
252514 ; 252518 ; 252519 ; 252513 ; 75247 ; 75234 ; 75235 ; 200265 ;
Abstract
An electrical contact material consists of Ag in which a metallic oxide is produced and dispersed through an internal oxidation and containing as metallic elements Cd, Mn and Al. With this contact material of this composition, there can be shown a high anti-welding property and a stably low contact resistance.
Quick Actions:
Tsuji, Koji. (1990). Electrical contact material and method of preparing same (U.S. Patent No. 4908158). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4908158
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