Patent
   D641227
Priority
Aug 02 2010
Filed
Aug 02 2010
Issued
Jul 12 2011
Expiry
Jul 12 2025
Assg.orig
Entity
unknown
1
33
n/a
The ornamental design for a knife sharpener, as shown and described.

FIG. 1 is a perspective view of a knife sharpener showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Kuo, Yu-Chin

Patent Priority Assignee Title
9925646, Apr 01 2011 NATURE S CURVE, INC Cutlery sharpener
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