Patent
   D475599
Priority
Sep 23 2002
Filed
Sep 23 2002
Issued
Jun 10 2003
Expiry
Jun 10 2017
Assg.orig
Entity
unknown
14
7
n/a
The ornamental design for a knife sharpener, as shown.

FIG. 1 is a perspective view of a knife sharpener, showing my new 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.

Liu, Pei-Hsiung

Patent Priority Assignee Title
7374475, Feb 09 2005 Locan Properties, LLC Hand-held sharpener device
D513693, Apr 07 2004 Sharpener
D526181, Feb 09 2005 Locan Properties, LLC Hand-held sharpener device
D551531, Mar 15 2006 MR BAR-B-Q PRODUCTS LLC Knife sharpener
D569703, May 31 2006 Knife grinder
D570179, May 19 2006 Locan Properties, LLC Hand-held sharpener device
D646140, Aug 17 2010 MR BAR-B-Q PRODUCTS LLC Cutlery sharpener
D654342, Dec 30 2010 Fortune Products, Inc. Sharpener
D724407, Sep 05 2012 EZE-LAP DIAMOND PRODUCTS, INC Blade sharpener
D731278, Nov 16 2013 Multi-functional sharpener for tools and blades
D736587, Sep 20 2013 Sharpener
D744805, Dec 15 2014 Sharpener
D836416, May 30 2017 Sharpening steel with alternating angle guides
D842672, May 30 2017 Sharpening steel with alternating angle guides
Patent Priority Assignee Title
5291805, Jul 06 1992 Locan Properties, LLC Sharpening and deburring tool
5673599, Aug 04 1994 Locan Properties, LLC Double-ended sharpening and deburring tool
D367598, Oct 18 1994 Knife sharpener
D369081, Aug 04 1994 Locan Properties, LLC Sharpening and deburring tool
D387262, Jan 16 1996 Locan Properties, LLC Sharpening and deburring tool
D394596, Jan 29 1996 Locan Properties, LLC Double ended sharpening and deburring tool
D453290, Mar 16 2001 Knife sharpening tool
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