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.:

US 8789974 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 29, 2014

Filed:

Dec. 20, 2011
Applicant:

Masashi Watanabe, Fujiyoshida, JP;

Inventor:

Masashi Watanabe, Fujiyoshida, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 29/02 (2006.01); F21V 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A lighting deviceincludes a heat sink, a substrateattached to a mounting portionof the heat sink, a plurality of light sourcesmounted on the substrate, and a capelectrically connected to the substratewhile fixed to a rear portion of the heat sinkthrough a casing. The heat sinkhas a three-dimensional shape including a plurality of mounting portionsandfacing in directions different from each other and provided at least at a front-end surfaceof the heat sink. At least the front-end surfaceis exposed to outside, and a plurality of heat-releasing finsis provided around the front-end surface. The lighting device has a higher heat-releasing property, and can enlarge an illuminated area.


Find Patent Forward Citations

Watanabe, Masashi. (2014). Lighting device (U.S. Patent No. 8789974). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8789974

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