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:
Jul. 14, 1987
Filed:
Feb. 06, 1986
Applicant:
Inventors:
Assignee:
W. C. Heraeus GmbH, Hanau, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200268 ; 428698 ; 428929 ;
Abstract
Disclosed is a laminated material for electrical contacts having a support of base metal or of a base metal alloy, a contact layer of titanium nitride which in turn is covered with a mixed layer of titanium nitride and at least one noble metal. Also disclosed is a method for making the laminated material in a single step in a vacuum apparatus with reactive formation of the titanium nitride.
Witting, Karin. (1987). Laminated material for electrical contacts and method of manufacturing (U.S. Patent No. 4680438). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4680438
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile