Heat sink for LED light bulb
Petroski March 5, 2
U.S. patent number D677,227 [Application Number D/388,101] was granted by the patent office on 2013-03-05 for heat sink for led light bulb. This patent grant is currently assigned to GrafTech International Holdings Inc.. The grantee listed for this patent is James T. Petroski. Invention is credited to James T. Petroski.
| United States Patent | D677,227 |
| Petroski | March 5, 2013 |
Heat sink for LED light bulb
Claims
CLAIM The ornamental design of a heat sink for LED light bulb, as shown and described.
| Inventors: | Petroski; James T. (Parma, OH) | ||||||||||
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| Applicant: |
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| Assignee: | GrafTech International Holdings
Inc. (Parma, OH) |
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| Appl. No.: | D/388,101 | ||||||||||
| Filed: | March 24, 2011 |
| Current U.S. Class: | D13/179 |
| Current International Class: | 1303 |
| Field of Search: | ;D13/179 ;165/80.3,104.26,104.33,122,151,185 ;257/706,707,718-722 ;361/695,697,700,702,704,709,710,711,719 ;362/294 ;313/46,52 |
References Cited [Referenced By]
U.S. Patent Documents
| 3023264 | February 1962 | Allison |
| 6787999 | September 2004 | Stimac et al. |
| 6816374 | November 2004 | Patel et al. |
| 7553047 | June 2009 | Shin et al. |
| D616381 | May 2010 | Chang et al. |
| 7862210 | January 2011 | Zhang et al. |
| D634279 | March 2011 | Chua et al. |
| D634281 | March 2011 | Chua et al. |
| 8226272 | July 2012 | Chen |
| 2011/0019409 | January 2011 | Wronski |
| 2011/0063843 | March 2011 | Cook |
| 2011/0080726 | April 2011 | Zhang et al. |
| 2011/0215696 | September 2011 | Tong et al. |
| 2012/0212957 | August 2012 | Hyun et al. |
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 side view thereof;
FIG. 4 is a top view thereof; and,
FIG. 5 is a bottom view thereof.
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