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:
Jan. 18, 2000

Filed:

Jul. 10, 1998
Applicant:
Inventors:

Eiji Kogure, Hanazono-machi, JP;

Tadashi Fukushima, Hanazono-machi, JP;

Hiroaki Tsukahara, Hanazono-machi, JP;

Toshihisa Imai, Hanazono-machi, JP;

Takao Oshima, Hanazono-machi, JP;

Kunihiko Kaga, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
165185 ; 165 803 ; 165121 ; 174 163 ; 257722 ; 361697 ; 361704 ;
Abstract

Heat radiating fin plates in a curved shape are radially arranged on a heat radiating surface of a heat transfer plate, and a space is provided so as to be surrounded by inner edges of the heat radiating fin plates. The heat radiating fin plates have sidewalls formed with projections.


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