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:
Mar. 30, 1993
Filed:
Oct. 31, 1990
Applicant:
Inventors:
Dale E Brabham, Elmira, NY (US);
Geert Van Bockstal, Lakeville, NY (US);
Assignee:
North American Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313623 ; 313625 ;
Abstract
A high pressure discharge lamp having a translucent sintered aluminum oxide envelope, has a tubular current lead-in member, secured in a gas tight manner by an end-plug secured to the current lead-in member by a magnesium oxide containing glass seal and an aluminum oxide disk bonded to the outer surface of the end plug and extending over the glass seal.