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:
Apr. 08, 1997
Filed:
Nov. 06, 1995
Applicant:
Inventor:
Klaus Scholler, Nideggen, DE;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ; H01J / ;
U.S. Cl.
CPC ...
313635 ; 313636 ; 313634 ;
Abstract
The electric lamp has a quartz glass lamp vessel (10) in which an electric element (3, 4) is accommodated. The lamp vessel locally has a light-absorbing, non reflective coating (11, 12). The coating mainly consists of 2 to 10% by weight of glass which is free of lead oxide and has a softening point between 600.degree. and 700.degree. C. Iron 50 to 60% by weight, primarily in metallic form, and manganese oxide, 30 to 55% by weight, are dispersed therein.
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Scholler, Klaus. (1997). Electric lamp (U.S. Patent No. 5619102). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5619102
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