Heat sink

- Sanyo Denki Co., Ltd.
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Description

FIG. 1 is a front side elevation view.

FIG. 2 is a right side elevation view.

FIG. 3 is a top plan view.

FIG. 4 is a bottom plan view; and,

FIG. 5 is a perspective view.

The rear side elevation view is omitted because it appears the same way as the front side elevation view. Likewise, the left side elevation view is omitted because it appears the same way as the right side elevation view.

The broken line showing of the environment is for illustrative purpose only and forms no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
5597034 January 28, 1997 Barker et al.
D441724 May 8, 2001 Chou et al.
D441725 May 8, 2001 Chou et al.
D442565 May 22, 2001 Chou et al.
D442566 May 22, 2001 Chou et al.
D450306 November 13, 2001 Lin et al.
6407919 June 18, 2002 Chou
6418020 July 9, 2002 Lin
D464939 October 29, 2002 Chuang et al.
D476958 July 8, 2003 Tsai
6671172 December 30, 2003 Carter et al.
D501450 February 1, 2005 Watanabe et al.
Patent History
Patent number: D509483
Type: Grant
Filed: Dec 23, 2003
Date of Patent: Sep 13, 2005
Assignee: Sanyo Denki Co., Ltd. (Tokyo)
Inventors: Michinori Watanabe (Nagano), Toshiki Ogawara (Nagano), Masayuki Iijima (Nagano), Haruhisa Maruyama (Nagano)
Primary Examiner: Stella Reid
Assistant Examiner: Selina Sikder
Attorney: Rankin, Hill, Porter & Clark LLP
Application Number: 29/196,214
Classifications
Current U.S. Class: Heat Sink (D13/179)