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.:

US 6707242 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 16, 2004

Filed:

Jun. 11, 2002
Applicant:
Inventors:

Yoichi Ito, Kawasaki, JP;

Koji Hagiwara, Choseimura, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 2/980 ;
U.S. Cl.
CPC ...
H01J 2/980 ;
Abstract

The invention provides a color cathode ray tube using a shadow mask capable of avoiding ruptures or cracks during press-working. The shadow mask has an apertured region having color selecting apertures, and an unapertured region which surrounds the apertured region. A skirt portion is bent from the unapertured region in the direction of the tube axis. The shadow mask has at least two inclined surfaces in a boundary portion between the unapertured region and the skirt portion.


Find Patent Forward Citations

Ito, Yoichi. (2004). Color cathode ray tube (U.S. Patent No. 6707242). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6707242

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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