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.

Date of Patent:
Oct. 31, 2000

Filed:

Jun. 04, 1999
Applicant:
Inventors:

Kazuo Satoh, Fujiyoshida, JP;

Akira Onikiri, Fujiyoshida, JP;

Michifusa Watanabe, Fujiyoshida, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
362 31 ; 362298 ;
Abstract

A transparent planar light leading plate is provided adjacent to a light source, and a hole is formed in the light leading plate at a position opposite to the light source. The hole has an inverted triangular shape, opposite sides of the hole are provided for reflecting light beams emitted from the light source.


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