Portion of heat sink

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Description

FIG. 1 is a front, top and right side perspective view of a portion of heat sink showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being symmetrical with that shown;

FIG. 3 is a right side elevational view thereof, the left side being symmetrical with that shown;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is an enlarged cross-sectional view thereof, taken along line 6—6 of FIG. 2.

The broken-line disclosure in the views is for illustrative purposes only and forms no part of the claimed design.

Claims

The ornamental design for a portion of heat sink, as shown and described.

Referenced Cited
U.S. Patent Documents
D428857 August 1, 2000 Wagner et al.
4715438 December 29, 1987 Gabuzda et al.
5680880 October 28, 1997 Miyake et al.
5718259 February 17, 1998 Miyake et al.
5785116 July 28, 1998 Wagner
5794685 August 18, 1998 Dean
Patent History
Patent number: D438515
Type: Grant
Filed: Mar 9, 2000
Date of Patent: Mar 6, 2001
Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo)
Inventors: Hisashi Yokoyama (Tokyo), Takeshi Ikai (Tokyo), Yasuhiko Kato (Tokyo), Toshihiko Miyake (Tokyo)
Primary Examiner: Brian N. Vinson
Attorney, Agent or Law Firm: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Application Number: 29/119,825
Classifications
Current U.S. Class: Heat Sink (D13/179)
International Classification: 1303;