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. 04, 2008
Filed:
Apr. 19, 2004
Applicants:
Gerhard Renner, Dachau, DE;
Udo Siefken, München, DE;
Martin Müller, Ruhla, DE;
Inventors:
Assignees:
Louis Renner GmbH, Dachau, DE;
Fer Fahrzeugelektrik GmbH, Eisenaugh, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 1/021 (2006.01);
U.S. Cl.
CPC ...
Abstract
A contact piece is formed by a tungsten overlay soldered onto a support, wherein at least portions of the solder layer and optionally of the support are covered by a layer of a less noble metal than tungsten. The corrosion resistance of the tungsten overlay is considerably improved.