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:
May. 27, 1986
Filed:
Oct. 14, 1983
Applicant:
Inventors:
Wolfgang E Thouret, Verona, NJ (US);
Rudolph Kaufman, North Bergen, NJ (US);
Harry Kee, Dumont, NJ (US);
Assignee:
Duro-Test Corporation, North Bergen, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01K / ;
U.S. Cl.
CPC ...
313 25 ; 313579 ; 313113 ; 313312 ;
Abstract
An incandescent lamp unit in which a light emitting element of the tungsten-halogen type is placed within an outer, safety protecting transparent envelope. The element, being protected by the outer envelope, is filled with a gas at a high pressure, thereby increasing its efficiency, and the space between the element and the outer envelope is also preferably filled with a gas having good heat conductivity properties. The outer envelope also can have a coating of a material which transmits visible range energy and reflects infrared energy.