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:
Aug. 18, 1987
Filed:
May. 12, 1986
Applicant:
Inventors:
Peter R Gagnon, Georgetown, MA (US);
Robert M Griffin, Hamilton, MA (US);
Stephen F Kimball, No. Andover, MA (US);
Assignee:
GTE Products Corporation, Danvers, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01K / ;
U.S. Cl.
CPC ...
313 17 ; 313579 ; 313318 ;
Abstract
A tungsten-halogen electric lamp having permeable means closing an outer envelope. Such non-hermetic means may be relatively free-breathing or weather-tight. Tungsten-halogen lamps with permeable means may be manufactured more simply and economically than those currently available.