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 front view of the embodiment shown in FIG. 1;

FIG. 3 is a rear view of the embodiment shown in FIG. 1;

FIG. 4 is a left side view of the embodiment shown in FIG. 1;

FIG. 5 is a right side view of the embodiment shown in FIG. 1; and,

FIG. 6 is a top view of the embodiment shown in FIG. 1.

Claims

The ornamental design for a knife sharpener, as shown and described.

Referenced Cited
U.S. Patent Documents
D299614 January 31, 1989 Young
D304153 October 24, 1989 Reichow
D304288 October 31, 1989 Young
D317554 June 18, 1991 Young
D327833 July 14, 1992 Micoley
D335075 April 27, 1993 Martin
5492037 February 20, 1996 Graham
D390084 February 3, 1998 McCabe, Jr.
6039642 March 21, 2000 Collins
D469326 January 28, 2003 Dahms
D541615 May 1, 2007 Wu
7381120 June 3, 2008 Henry
D618532 June 29, 2010 Wu
D618979 July 6, 2010 deBretton Gordon
Patent History
Patent number: D673439
Type: Grant
Filed: Apr 18, 2011
Date of Patent: Jan 1, 2013
Assignee: Jiin Haur Industrial Co. Ltd. (Changhua)
Inventor: Shih-Piao Wu (Changhua)
Primary Examiner: Philip S Hyder
Assistant Examiner: John T Applewhite
Attorney: Law Office of Michael Chen
Application Number: 29/389,898
Classifications
Current U.S. Class: D8/93