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:
Sep. 13, 1977
Filed:
Mar. 18, 1976
Applicant:
Inventor:
Silas A Brown, Lake Elmo, MN (US);
Assignee:
Buckbee-Mears Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313403 ; 29 2514 ;
Abstract
A shadow mask for a colored TV picture tube contains the conventional foraminous or translucent area formed by multiple vertical rows of miniature apertures or slits with the improvement being a pattern set of recesses which are located between the rows of slits and which extend into the margin of the mask. Because of the patterned set of recesses, doming the mask can be accurately and smoothly accomplished for insertion into the envelope of a colored television picture tube.
Brown, Silas. (1977). Shadow mask with plurality of recessed regions extending across mask in (U.S. Patent No. 4048536). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4048536
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile