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. 02, 1980
Filed:
Oct. 18, 1978
Applicant:
Inventor:
Winston D Couwenberg, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313225 ; 313227 ;
Abstract
Low-pressure mercury vapor discharge lamp having a discharge vessel comprising at least two thermally emitting electrodes as well as mercury and a rare gas or a combination of rare gases, the discharge vessel being provided with a glass wall permeable to the ultra-violet radiation generated in the mercury discharge, at least a halide of mercury being present in the discharge vessel.