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:
Sep. 12, 1989
Filed:
May. 27, 1988
Applicant:
Inventor:
Dale Plewman, Spokane, WA (US);
Assignee:
Columbia Lighting, Inc., Spokane, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
362225 ; 362241 ; 362298 ; 362346 ;
Abstract
An indirect luminaire mounted adjacent a surface for illuminating the same. The luminaire possesses a first reflector positioned such that the source of light lies intermediate the first reflector and the surface. The first reflector includes an edge portion to cut off light emanating from the source of light. A second reflector is positioned between the source of light and the surface. The second reflector reflects light only toward and along the surface.