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:
Nov. 27, 2001
Filed:
Mar. 01, 1999
Applicant:
Inventors:
Gerardus M. Oosterhout, Eindhoven, NL;
Peter M. Bruisten, Eindhoven, NL;
Paul F. A. Sterken, Eindhoven, NL;
Petrus R. M. Schoone, Eindhoven, NL;
Maarten A. Zwikker, Margraten, NL;
Jan W. Kleine, Eindhoven, NL;
Jan P. Van Den Brink, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 3/100 ;
U.S. Cl.
CPC ...
H01J 3/100 ;
Abstract
Picture display device with an evacuated tube comprising, around a longitudinal axis, a display window, a conical portion and a neck portion, said conical portion being connected to an upstanding wall of the display window. The wall thickness of the conical portion is selectively reduced. In particular, the wall thickness in an area of the conical portion is substantially constant.