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:
Jun. 09, 1981
Filed:
Nov. 15, 1979
Applicant:
Inventor:
Floyd K Collins, Seneca Falls, NY (US);
Assignee:
GTE Products Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313458 ; 29 2517 ;
Abstract
A one-piece control grid for functioning as an astigmatic lens in an electron gun has an arcuate slot formed in the face of the grid. A suitable beam aperture is provided at the bottom of the slot.
Quick Actions:
Collins, Floyd. (1981). One piece astigmatic grid for color picture tube electron gun and method (U.S. Patent No. 4272700). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4272700
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