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:
Apr. 17, 1979
Filed:
Jul. 27, 1977
Applicant:
Inventors:
Nils Harmsen, Bruckhkobel, DE;
Franz Sperner, Hanau am Main, DE;
Assignee:
W. C. Heraeus GmbH, Hanau am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
7517 / ; 7517 / ;
Abstract
The present invention provides electrical contacts having at least one contact surface consisting essentially of a silver palladium alloy containing 10-50 percent by weight palladium, 0.1-8 percent copper, 0.1-6 percent indium, 0.1-6 percent tin, and the balance essentially silver.