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:
Oct. 24, 1978
Filed:
Jul. 08, 1977
Applicant:
Inventor:
Walter David Masterton, Lancaster, PA (US);
Assignee:
RCA Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313403 ; 29 2518 ; 313407 ;
Abstract
The tube is improved by the shadow mask having an apertured active portion of parallel corrugations and integral corrugated skirt portions extending from the two opposite corrugated edges of the mask. In one embodiment, the skirt corrugations are equal in periodicity but of opposite phase to the mask corrugations.
Masterton, Walter. (1978). Cathode ray tube with a corrugated mask having a corrugated skirt (U.S. Patent No. 4122368). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4122368
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile