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:
Sep. 25, 2001

Filed:

Dec. 14, 1999
Applicant:
Inventor:

Masafumi Okada, Iwata-gun, JP;

Assignee:

Minebea Co. Ltd., Nakano-ken, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/00 ;
U.S. Cl.
CPC ...
F21V 7/00 ;
Abstract

In a spread illuminating apparatus wherein on one end of a transparent substrate, a light conductive member,on one portion of which a prism shape portion,is provided, light emitted from the light conductive member,enters the transparent substrate, the length of the light conductive member is set larger than the width dimension of the transparent substrate,with which the light conductive member,is disposed parallel each other, the end of the light conductive member to which the light emitting diode is positioned is projected from the width end of the transparent substrate


Find Patent Forward Citations

Okada, Masafumi. (2001). Spread illuminating apparatus (U.S. Patent No. 6293683). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6293683

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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