Heat sink for LED light bulb
Petroski July 3, 2
U.S. patent number D662,898 [Application Number D/388,102] was granted by the patent office on 2012-07-03 for heat sink for led light bulb. This patent grant is currently assigned to GrafTech International Holdings Inc.. Invention is credited to James T. Petroski.
| United States Patent | D662,898 |
| Petroski | July 3, 2012 |
Heat sink for LED light bulb
Claims
CLAIM The ornamental design of a heat sink for an LED light bulb, as shown and described.
| Inventors: | Petroski; James T. (Parma, OH) |
|---|---|
| Assignee: | GrafTech International Holdings
Inc. (Parma, OH) |
| Appl. No.: | D/388,102 |
| Filed: | March 24, 2011 |
| Current U.S. Class: | D13/179 |
| Current International Class: | 1303 |
| Field of Search: | ;D13/179 ;D26/2,118 ;257/706,707,718-722 ;165/80.3,104.26,104.33,122,151,185 ;313/46,315,317 ;315/52,53,56,57,58 ;361/695,697,700,702,704,709,710,711,719 ;362/294 |
References Cited [Referenced By]
U.S. Patent Documents
| D473529 | April 2003 | Feinbloom |
| D481688 | November 2003 | Lee et al. |
| D530683 | October 2006 | Rivas et al. |
| 7156157 | January 2007 | Liu |
| D626094 | October 2010 | Alexander et al. |
| D651738 | January 2012 | Guercio et al. |
| 8087456 | January 2012 | Wei |
| 8092054 | January 2012 | Liu et al. |
| 2002/0033249 | March 2002 | Chuang |
| 2002/0179290 | December 2002 | Larson |
| 2004/0200601 | October 2004 | Bamford et al. |
| 2008/0149305 | June 2008 | Chen |
| 2008/0175003 | July 2008 | Tsou et al. |
| 2009/0255658 | October 2009 | Shen |
| 2009/0308575 | December 2009 | Yao |
| 2010/0026158 | February 2010 | Wu |
| 2010/0276118 | November 2010 | Lin |
Description
FIG. 1 is a perspective view of a heat sink for an LED light bulb showing our design;
FIG. 2 is a front view thereof;
FIG. 3 is a top view thereof; and,
FIG. 4 is a bottom view thereof.
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