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. 27, 1977
Filed:
Jul. 14, 1976
Applicant:
Inventors:
Paul O Haugsjaa, Acton, MA (US);
Alfred E Feuersanger, Framingham, MA (US);
Assignee:
GTE Laboratories Incorporated, Waltham, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; H05B / ;
U.S. Cl.
CPC ...
315248 ; 315 39 ; 315267 ; 315344 ;
Abstract
Improved efficacy is obtained in an electrodeless light source of the type having a high frequency electrodeless lamp disposed at the ends of inner and outer conductors of a termination fixture by evacuating the region between the lamp envelope and the outer conductor to reduce conductive and convective heat losses.