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. 04, 1977
Filed:
May. 24, 1976
Applicant:
Inventors:
Ellen K Dominick, Corning, NY (US);
Dale R Wexell, Corning, NY (US);
Assignee:
Corning Glass Works, Corning, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313450 ; 313479 ; 106 84 ;
Abstract
An improved conductive coating for the inner wall of a cathode ray tube is disclosed. The coating consists essentially of 5-25% of at least one of the alkali metal oxides Na.sub.2 O, K.sub.2 O and Li.sub.2 O, 20-80% SiO.sub.2, 2-25% of at least one oxide selected from the group consisting of Ag.sub.2 O, CuO, CdO, CaO, SrO, BaO, CoO, PbO, MgO, HgO, NiO, ZnO, and MnO, 10-50% carbon, and 0-50% of a filler pigment, the total content of silica plus pigment being 45-85%.
Dominick, Ellen. (1977). Electrically conductive coating in cathode ray tube (U.S. Patent No. 4052641). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4052641
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile