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. 06, 1983
Filed:
May. 18, 1981
Applicant:
Inventors:
Kornelis Boer, Oss, NL;
Hugo De Widt, Oss, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S / ;
U.S. Cl.
CPC ...
362218 ; 362221 ; 362294 ;
Abstract
Luminaire for a tubular discharge lamp, having an elongate housing (1) the ends of which comprise means (4, 5) for accommodating the lamp, at least an electric ballast (6) being present in the housing (1), which housing is filled with cured foamed plastics material (11), the housing (1) being a through with a generally U-shaped cross-section and the foam (11) extending to the open side of the housing.