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:
Feb. 28, 1978
Filed:
May. 04, 1977
Applicant:
Inventor:
John Louis Vossen, Jr, Bridgewater, NJ (US);
Assignee:
RCA Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
358128 ; 1791 / ; 428 64 ; 428626 ; 428675 ;
Abstract
This invention pertains to a video disc having a conductive bilayer thereon of a copper layer and a nickel/chromium/iron alloy layer wherein the alloy layer contains oxygen which decreases in content from the copper-alloy interface to an alloy-dielectric interface.
Vossen, Jr, John. (1978). Video disc with a conductive layer having an oxygen content gradient (U.S. Patent No. 4077051). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4077051
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile