Power winch
Description
Claims
The ornamental design for a power winch, as shown and described.
Referenced Cited
U.S. Patent Documents
| 1083412 | January 1914 | Shreve |
| 2360713 | October 1944 | Parker |
| 2365141 | December 1944 | Sully |
| 3190617 | June 1965 | Burrows |
| D219298 | November 1970 | Eyck |
| 4103872 | August 1, 1978 | Hirasuka |
| D307965 | May 15, 1990 | Eley et al. |
| D309969 | August 14, 1990 | Tamura |
| 5170995 | December 15, 1992 | Bitsch et al. |
| D411364 | June 22, 1999 | Sasaki et al. |
| 6073917 | June 13, 2000 | Plummer |
| D439722 | March 27, 2001 | Huang |
| D473992 | April 29, 2003 | Hodge |
| D475499 | June 3, 2003 | Hodge |
| D491333 | June 8, 2004 | Blasek |
| D524508 | July 4, 2006 | Lichtenvort |
| D532577 | November 21, 2006 | Elliott et al. |
| D540003 | April 3, 2007 | Hagihara et al. |
Patent History
Patent number: D550923
Type: Grant
Filed: Nov 28, 2006
Date of Patent: Sep 11, 2007
Inventor: Shih Jyi Huang (Taipei)
Primary Examiner: Cynthia E. Ramirez
Attorney: Bacon & Thomas, PLLC
Application Number: 29/269,276
Type: Grant
Filed: Nov 28, 2006
Date of Patent: Sep 11, 2007
Inventor: Shih Jyi Huang (Taipei)
Primary Examiner: Cynthia E. Ramirez
Attorney: Bacon & Thomas, PLLC
Application Number: 29/269,276
Classifications
Current U.S. Class:
Crane Or Hoist (5) (D34/33)