Light bulb having a heat sink
Description
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
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)