Light bulb having a heat sink

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Description

FIG. 1 is a perspective view of a light bulb having a heat sink showing my new design;

FIG. 2 is a front plan view thereof;

FIG. 3 is a side plan view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
D508575 August 16, 2005 Buschmann et al.
D528227 September 12, 2006 Chou et al.
D531741 November 7, 2006 Takahashi
D534665 January 2, 2007 Egawa et al.
D538950 March 20, 2007 Maxik
D538953 March 20, 2007 Mama
D553267 October 16, 2007 Yuen
D560286 January 22, 2008 Maxik et al.
D566300 April 8, 2008 Lo
D590523 April 14, 2009 Takahashi
D613887 April 13, 2010 Lee et al.
Patent History
Patent number: D645993
Type: Grant
Filed: Jan 6, 2011
Date of Patent: Sep 27, 2011
Inventor: Jin Wang (Dongguang)
Primary Examiner: Marcus Jackson
Application Number: 29/382,658
Classifications
Current U.S. Class: Electric Light Bulb (34) (D26/2)