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. 20, 1988
Filed:
Feb. 13, 1987
Applicant:
Inventor:
Leslie H Francis, Horley, GB;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
3134 / ; 313482 ; 220 / ;
Abstract
A cathode ray tube has an envelope comprising a mild steel rear housing (1) with a side wall portion (4) defining an opening over which a flat, glass, faceplate (2) is mounted. The faceplate is sealed in a vacuum tight manner using a compliant pressure bonded seal (10), comprising pressure deformable material such as lead, to the outer, flat surface of a flange (8) of the rear housing which projects inwardly of the opening from the side wall portion.