Knife sharpener

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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
Classifications
Current U.S. Class: D8/93; D8/91
International Classification: 0805;