Knife sharpener
Description
FIG. 1 is a perspective view of a knife sharpener showing my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a rear elevational view thereof.
Claims
The ornamental design for a knife sharpener, as shown.
Referenced Cited
U.S. Patent Documents
D341534 | November 23, 1993 | Janikowski |
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 |
D387262 | December 9, 1997 | Byers et al. |
D394596 | May 26, 1998 | Byers et al. |
D453290 | February 5, 2002 | Huang |
Patent History
Patent number: D487691
Type: Grant
Filed: Apr 21, 2003
Date of Patent: Mar 23, 2004
Inventor: Yin-Hu Huang (Feng-Yuan City, Taichung Hsien)
Primary Examiner: Philip S. Hyder
Application Number: 29/180,068
Type: Grant
Filed: Apr 21, 2003
Date of Patent: Mar 23, 2004
Inventor: Yin-Hu Huang (Feng-Yuan City, Taichung Hsien)
Primary Examiner: Philip S. Hyder
Application Number: 29/180,068
Classifications
Current U.S. Class:
D8/93;
D8/91
International Classification: 0805;
International Classification: 0805;