Two part heat spreader

- Canon
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Description

FIG. 1 is an enlarged top plan view of a two-part heat spreader in conjunction with a compound microheater chip; the compound microheater chip forms no part of the claimed design.

FIG. 2 is a side view of a first part heat spreader shown separately for ease of illustration.

FIG. 3 is front view of a first part heat spreader.

FIG. 4 is a top view of a first part heat spreader.

FIG. 5 is an isometric perspective view of the bottom of a first part heat spreader.

FIG. 6 is a side view of a second part heat spreader shown separately for ease of illustration.

FIG. 7 is front view of a second part heat spreader.

FIG. 8 is a top view of a second part heat spreader.

FIG. 9 is an isometric perspective view of the bottom of a second part heat spreader; and,

FIG. 10 is a perspective view of a two-part heat spreader.

Claims

The ornamental design for a two-part heat spreader, as shown and described.

Referenced Cited
U.S. Patent Documents
D367469 February 27, 1996 Widmayer et al.
5582240 December 10, 1996 Widmayer
5947191 September 7, 1999 Hiteshew et al.
5969949 October 19, 1999 Kim et al.
6053240 April 25, 2000 Johnston et al.
6829144 December 7, 2004 Stutzman et al.
7385822 June 10, 2008 Li et al.
7477517 January 13, 2009 Khanna et al.
7678616 March 16, 2010 Sir et al.
D618183 June 22, 2010 Chang et al.
D618184 June 22, 2010 Chang et al.
D618185 June 22, 2010 Chang et al.
20030106670 June 12, 2003 Lee et al.
Patent History
Patent number: D644615
Type: Grant
Filed: Aug 31, 2010
Date of Patent: Sep 6, 2011
Assignee: Canon U.S. Life Sciences, Inc. (Rockville, MD)
Inventors: Johnathan S. Coursey (Germantown, MD), Kenton C. Hasson (Germantown, MD)
Primary Examiner: Selina Sikder
Attorney: Rothwell, Figg, Ernst & Manbeck, PC
Application Number: 29/368,874
Classifications
Current U.S. Class: Heat Sink (D13/179)