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:
Mar. 06, 1990
Filed:
Nov. 18, 1988
Applicant:
Inventor:
Martin L Lasker, Edison, NJ (US);
Assignee:
Columbia Lighting, Inc., Spokane, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21S / ;
U.S. Cl.
CPC ...
362225 ; 362346 ; 362290 ; 362342 ;
Abstract
An upper reflector system for a fluorescent troffer utilizing a double tube florescent lamp oriented vertically relative to a downward surface to be lighted. Intersecting lower louvers form a multiplicity of cells through which the fluorescent lamp passes. An upper reflector system directs light originating with the lamp outwardly from the fixture in multiple directions.