Screw-in LED bulb
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Description
Claims
The ornamental design for a screw-in LED bulb, as shown and described.
Referenced Cited
U.S. Patent Documents
5850126 | December 15, 1998 | Kanbar |
D437947 | February 20, 2001 | Huang |
6227679 | May 8, 2001 | Zhang et al. |
6598996 | July 29, 2003 | Lodhie |
D553267 | October 16, 2007 | Yuen |
7396146 | July 8, 2008 | Wang |
D581556 | November 25, 2008 | To et al. |
7521872 | April 21, 2009 | Bruning |
D634452 | March 15, 2011 | de Visser |
20070285926 | December 13, 2007 | Maxik |
20090046473 | February 19, 2009 | Tsai et al. |
Patent History
Patent number: D650097
Type: Grant
Filed: Apr 23, 2009
Date of Patent: Dec 6, 2011
Assignee: Altair Engineering, Inc. (Troy, MI)
Inventors: James B. Trumble (Royal Oak, MI), Craig Mackiewicz (Clawson, MI)
Primary Examiner: Marcus Jackson
Attorney: Young Basile
Application Number: 29/335,846
Type: Grant
Filed: Apr 23, 2009
Date of Patent: Dec 6, 2011
Assignee: Altair Engineering, Inc. (Troy, MI)
Inventors: James B. Trumble (Royal Oak, MI), Craig Mackiewicz (Clawson, MI)
Primary Examiner: Marcus Jackson
Attorney: Young Basile
Application Number: 29/335,846
Classifications
Current U.S. Class:
Electric Light Bulb (34) (D26/2)