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:
Nov. 28, 1995
Filed:
Dec. 31, 1992
Applicant:
Inventors:
Jayavant P Gore, West Lafayette, IN (US);
Robert J Sweetman, Olney, MD (US);
Assignee:
Fusion Systems Corporation, Rockville, MD (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; F21V / ;
U.S. Cl.
CPC ...
313 22 ; 313 35 ; 313 36 ; 362345 ;
Abstract
A method and apparatus for preventing contaminated reverse flows in air or gas impingement cooled lamps. In an electrodeless lamp, a stream of clean air or gas is provided as a replacement for contaminated air.