Patent
   D487691
Priority
Apr 21 2003
Filed
Apr 21 2003
Issued
Mar 23 2004
Expiry
Mar 23 2018
Assg.orig
Entity
unknown
13
9
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 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.

Huang, Yin-Hu

Patent Priority Assignee Title
D551531, Mar 15 2006 MR BAR-B-Q PRODUCTS LLC Knife sharpener
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
D807140, May 29 2015 RAZOR EDGE SYSTEMS, INC Scissors sharpening device
D807141, Jun 04 2015 RAZOR EDGE SYSTEMS, INC Scissors sharpening device
D836416, May 30 2017 Sharpening steel with alternating angle guides
D842672, May 30 2017 Sharpening steel with alternating angle guides
D873101, Mar 14 2018 Combined bottle and can opener
D873640, Jun 30 2018 Combined bottle and can opener
Patent Priority Assignee Title
5291805, Jul 06 1992 Locan Properties, LLC Sharpening and deburring tool
D341534, Sep 16 1991 Knife sharpener
D365740, Sep 06 1994 Smith Abrasives, Inc. Knife sharpener
D367598, Oct 18 1994 Knife sharpener
D369081, Aug 04 1994 Locan Properties, LLC Sharpening and deburring tool
D375241, May 31 1995 Rhino Industries, Inc. Knife sharpener
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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