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:
Jul. 05, 1994
Filed:
Jul. 02, 1992
Applicant:
Inventors:
Simone P Bazin, Bedford, NH (US);
Richard A Parrott, Merrimack, NH (US);
Edward H Nortrup, Bedford, NH (US);
Assignee:
Osram Sylvania Inc., Danvers, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313 25 ; 313571 ; 313554 ; 313559 ; 313642 ;
Abstract
A halide discharge lamp has a an evacuated outer envelope including a getter comprising from about 60 to about 85 percent zirconium, from about 10 to about 20 percent vanadium, and from about 2 to about 10 percent manganese having an activation temperature of less than about 350 degrees Centigrade for reducing the tendency of the lamps to discolor during operation.