Ratchet wrench
Description
Claims
The ornamental design for a ratchet wrench, as shown and described.
Referenced Cited
U.S. Patent Documents
1811137 | June 1931 | Kress |
4819521 | April 11, 1989 | Lang |
D332730 | January 26, 1993 | Usuda |
6971286 | December 6, 2005 | Hu |
7032478 | April 25, 2006 | Hu |
D551525 | September 25, 2007 | Desbrunes |
D601871 | October 13, 2009 | Murray |
D632535 | February 15, 2011 | Kriz et al. |
D636648 | April 26, 2011 | Kriz |
D640518 | June 28, 2011 | Kriz et al. |
Patent History
Patent number: D654337
Type: Grant
Filed: Jul 11, 2011
Date of Patent: Feb 21, 2012
Inventor: Ping-Chung Huang (Taichung)
Primary Examiner: Robert M Spear
Assistant Examiner: Randall Gholson
Attorney: Wang Law Firm, Inc.
Application Number: 29/397,039
Type: Grant
Filed: Jul 11, 2011
Date of Patent: Feb 21, 2012
Inventor: Ping-Chung Huang (Taichung)
Primary Examiner: Robert M Spear
Assistant Examiner: Randall Gholson
Attorney: Wang Law Firm, Inc.
Application Number: 29/397,039
Classifications
Current U.S. Class:
D8/25