Knife grinder
Description
Claims
The ornamental design for a knife grinder, as shown and described.
Referenced Cited
U.S. Patent Documents
5291805 | March 8, 1994 | Byers et al. |
D365740 | January 2, 1996 | Smith |
D367598 | March 5, 1996 | Fortenberry |
D369081 | April 23, 1996 | Byers et al. |
D375241 | November 5, 1996 | Pigott |
5673599 | October 7, 1997 | Byers et al. |
5679068 | October 21, 1997 | Byers et al. |
D387262 | December 9, 1997 | Byers et al. |
D394596 | May 26, 1998 | Byers et al. |
D475599 | June 10, 2003 | Liu |
D525509 | July 25, 2006 | Weschenfelder |
Patent History
Patent number: D569703
Type: Grant
Filed: May 31, 2006
Date of Patent: May 27, 2008
Inventor: Chin-Sung Wu (Changhua Hsien)
Primary Examiner: Philip S. Hyder
Attorney: Kamrath & Associates PA
Application Number: 29/260,733
Type: Grant
Filed: May 31, 2006
Date of Patent: May 27, 2008
Inventor: Chin-Sung Wu (Changhua Hsien)
Primary Examiner: Philip S. Hyder
Attorney: Kamrath & Associates PA
Application Number: 29/260,733
Classifications
Current U.S. Class:
D8/93