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. 19, 1982
Filed:
Mar. 20, 1980
Applicant:
Inventor:
David J Pedder, Oxford, GB;
Assignee:
Plessey Incorporated, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427102 ; 4271262 ; 4271263 ; 427226 ; 427279 ; 427287 ; 4273762 ; 4273763 ; 4273766 ; 427377 ; 427 96 ;
Abstract
A thick film resistor suitable for deposition on a copper printed circuit is produced by providing a resistor pattern of a mixture of metal powder and oxide of the metal and heating in a nitrogen atmosphere at a temperature such that the metal and the metallic oxide react to produce a conducting lower oxide.
Pedder, David. (1982). Thick film circuits (U.S. Patent No. 4311730). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4311730
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile