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:
Dec. 29, 1981
Filed:
Nov. 15, 1979
Applicant:
Inventor:
Donald L Say, Waterloo, NY (US);
Assignee:
North American Philips Consumer Electronics Corp., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
29 2518 ; 72326 ;
Abstract
A one-piece astigmatic lens is formed in a grid by lancing a section threeof, coining the lanced section to a dimension wider than the trough formed by the lanced section and providing a beam aperture in the lanced and coined section.
Say, Donald. (1981). One piece astigmatic grid for color picture tube electron gun and method (U.S. Patent No. 4307498). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4307498
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile