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. 05, 2000
Filed:
Aug. 19, 1998
Applicant:
Inventors:
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313637 ; 313633 ; 313491 ;
Abstract
A vapor discharge lamp comprised of an arc tube containing an ionizable medium, a first electrode electrically connected to a first in lead conductor, and a second electrode electrically connected to a second in lead conductor, said first and said second electrode pairs being positioned to create an arc discharge therebetween, an electron emissive material disposed on at least one of said electrodes, said electron emissive material being Ba.sub.4 Al.sub.2 O.sub.7.