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Patent
   D309415
Priority
Oct 29 1987
Filed
Apr 11 1988
Issued
Jul 24 1990
Expiry
Jul 24 2004
Inventors
Shimizu, K…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
41
References
3
Maint.:
n/a
The ornamental design for a knife sharpener, as shown and described.

FIG. 1 is a top plan view of a knife sharpener showing my new design;

FIG. 2 is a right side elevational view thereof, the left side being the same in appearance as the right side;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a bottom plan view thereof.
INVENTORS:

Shimizu, Kiyoshi

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
7374475, Feb 09 2005 Locan Properties, LLC Hand-held sharpener device
D323450, Sep 16 1988 Knive sharpener
D324985, Aug 21 1987 HP INTELLECTUAL CORP Knife sharpener
D331688, Apr 19 1990 ZWILLING J A HENCKELS AKTIENGESELLSCHAFT Knife sharpener or the like
D332210, Oct 13 1989 Fiskars Oy AB Sharpener for scissors
D339730, Feb 25 1991 Knife sharpener
D342003, Jun 11 1992 Edgecraft Corporation Portable manual knife sharpener
D357395, Apr 30 1993 Edgecraft Corp.; Edgecraft Corporation Knife sharpener
D368217, Apr 30 1993 Edgecraft Corporation Knife sharpener
D372181, Jul 01 1994 Cutco Cutlery Corporation Knife sharpener
D375241, May 31 1995 Rhino Industries, Inc. Knife sharpener
D388304, Jul 09 1996 Edgecraft Corporation Versatile manual sharpener
D394596, Jan 29 1996 Locan Properties, LLC Double ended sharpening and deburring tool
D470382, Oct 08 2001 ZWILLING J A HENCKELS AG Knife sharpener
D481285, Oct 04 2002 Dart Industries Inc Knife sharpener with case
D517891, Feb 13 2003 Master Cutlery Corporation Blade sharpener
D519815, Apr 29 2004 Edgecraft Corporation Manual sharpener
D525509, Feb 09 2005 Weschenfelder GmbH Blade sharpener
D526876, Mar 14 2005 SMITH S CONSUMER PRODUCTS, INC Knife and scissors sharpener
D570179, May 19 2006 Locan Properties, LLC Hand-held sharpener device
D587550, Mar 14 2008 SMITH S CONSUMER PRODUCTS, INC Two step knife sharpener
D604134, Feb 13 2009 SMITH S CONSUMER PRODUCTS, INC Abrasive sharpener
D604135, Feb 13 2009 SMITH S CONSUMER PRODUCTS, INC Knife and scissors sharpener
D624799, Aug 17 2009 Robert Welch Designs Limited Hand held knife sharpener
D640523, Jun 07 2010 WÜSTHOF USA, INC Four stage sharpener
D640909, Jun 07 2010 WÜSTHOF USA, INC Two stage sharpener
D641225, Jun 21 2010 Edgecraft Corporation Three stage manual knife sharpener
D641226, Jun 21 2010 Edgecraft Corporation Two stage manual knife sharpener
D665647, Jan 11 2012 Edgecraft Corporation Two-stage manual knife sharpener
D668524, Jan 24 2012 Sharpener
D669755, Jan 16 2012 Edgecraft Corporation Two stage manual knife sharpener
D680399, Mar 07 2012 ED WUESTHOF DREIZACKWERK KG; Edgecraft Corporation Three stage knife sharpener
D680846, Jan 17 2012 SMITH S CONSUMER PRODUCTS, INC Adjustable manual abrasive sharpener
D688545, Mar 07 2012 Edgecraft Corporation Knife sharpener
D730137, May 29 2014 Darex, LLC Powered sharpener base unit
D763650, Dec 15 2014 Zwilling J.A. Henckels AG Sharpener
D773913, Dec 15 2014 Zwilling J.A. Henckels AG Sharpener
D824742, Mar 10 2017 Spec Tool Company Sharpening tool
D837023, Jan 26 2017 Kyocera Corporation Kitchen knife sharpener
D876199, Dec 19 2017 Knife sharpener
D928581, Jun 18 2020 Knife sharpener
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
CH119186,
241504,
D276886, Dec 29 1982 Oy Fiskars AB Knife sharpener
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