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. 26, 1989
Filed:
Jun. 03, 1988
Applicant:
Inventor:
Harald L Witting, Burnt Hills, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
315248 ; 313492 ; 313642 ; 313607 ;
Abstract
Improved ease of starting at room temperature while maintaining high efficacy and good color rendition at white color temperatures is achieved in an electrodeless metal halide high intensity discharge lamp wherein a mercury-free combination of arc tube fill materials may include sodium iodide with or without cerium halide, and either krypton or argon as a starting gas.