Ratchet wrench
Description
The broken lines in
Claims
The ornamental design for a ratchet wrench, as shown and described.
Referenced Cited
U.S. Patent Documents
4257507 | March 24, 1981 | Solomon |
6820520 | November 23, 2004 | Chen |
6854362 | February 15, 2005 | Huang |
6862956 | March 8, 2005 | Chen |
D633762 | March 8, 2011 | Zhou et al. |
7966912 | June 28, 2011 | Hobden et al. |
8141460 | March 27, 2012 | Hobden et al. |
20050044996 | March 3, 2005 | Huang |
20060191381 | August 31, 2006 | Gao et al. |
Patent History
Patent number: D684447
Type: Grant
Filed: May 23, 2012
Date of Patent: Jun 18, 2013
Inventor: Ping-Chung Huang (Taichung)
Primary Examiner: Raphael Barkai
Assistant Examiner: Randall Gholson
Application Number: 29/422,724
Type: Grant
Filed: May 23, 2012
Date of Patent: Jun 18, 2013
Inventor: Ping-Chung Huang (Taichung)
Primary Examiner: Raphael Barkai
Assistant Examiner: Randall Gholson
Application Number: 29/422,724
Classifications
Current U.S. Class:
D8/25