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Patent
   D310620
Priority
Feb 01 1988
Filed
Feb 01 1988
Issued
Sep 18 1990
Expiry
Sep 18 2004
Inventors
Friel, Dan…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
45
References
5
Maint.:
n/a
The ornamental design for the knife sharpener, as shown and described.

FIG. 1 is a side elevational view of a knife sharpener showing my new design, the opposite side being a mirror image except that it does not include an on/off switch;

FIG. 2 is a top plan view thereof;

FIG. 3 is an end elevational view thereof, the opposite end being a mirror image;

FIG. 4 is a bottom plan view thereof.
INVENTORS:

Friel, Daniel D.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
6997795, Aug 13 2003 Edgecraft Corporation Versatile manual scissor sharpener
7235004, Mar 27 2003 Edgecraft Corporation Precision means for sharpening and creation of microblades along cutting edges
7287445, Mar 27 2003 Edgecraft Corporation Apparatus for precision steeling/conditioning of knife edges
7517275, Mar 27 2003 Edgecraft Corp.; Edgecraft Corporation Apparatus for precision steeling/conditioning of knife edges
7686676, Apr 18 2007 Edgecraft Corporation Precision sharpener for hunting and Asian knives
8267750, Mar 27 2003 Edgecraft Corporation Apparatus for precision steeling/conditioning of knife edges
8430720, Mar 27 2003 Edgecraft Corporation Apparatus for precision steeling/conditioning of knife edges
8585462, Dec 22 2011 Edgecraft Corp.; Edgecraft Corporation Precision sharpener for ceramic knife blades
8678882, Jun 26 2013 Edgecraft Corporation Combination sharpener assembly
8721399, Jun 26 2013 Edgecraft Corporation Manually operated sharpener
9168627, Mar 11 2008 Edgecraft Corporation Knife sharpener for asian and european/american knives
9242331, Mar 13 2014 Edgecraft Corporation Electric sharpener for ceramic and metal blades
9649749, Jan 16 2015 Edgecraft Corporation Manual sharpener
9656372, Jan 16 2015 Edgecraft Corporation Sharpener for thick knives
D327833, Aug 24 1988 Sunbeam Products, Inc Knife sharpener
D328410, Apr 12 1989 Edgecraft Corporation Knife sharpener
D332210, Oct 13 1989 Fiskars Oy AB Sharpener for scissors
D363867, Aug 08 1994 CUISINE DE FRANCE, LTD Knife sharpener
D471072, Oct 08 2001 ZWILLING J A HENCKELS AG Sharpening block
D537698, Jan 19 2005 KAI R & D CENTER CO , LTD Hand sharpener
D542616, Mar 10 2005 Edgecraft Corporation Electric knife sharpener
D543430, Mar 10 2005 Edgecraft Corporation Electric knife sharpener
D567611, Mar 11 2005 Edgecraft Corporation Electric knife sharpener having a brushed texture housing
D575124, Mar 15 2008 SMITH S CONSUMER PRODUCTS, INC Electric sharpener
D605918, Dec 21 2007 ETS Jean Deglon Sharpening machine for sharpening knives
D614009, Dec 07 2007 ETS Jean Deglon Sharpening machine for sharpening knives
D620332, Aug 07 2009 Edgecraft Corporation Cross-grind sharpener
D641225, Jun 21 2010 Edgecraft Corporation Three stage manual knife sharpener
D641226, Jun 21 2010 Edgecraft Corporation Two stage manual knife sharpener
D651887, Feb 21 2011 Edgecraft Corporation Two stage manual knife sharpener
D652284, Feb 16 2011 Edgecraft Corporation Three stage manual knife sharpener
D655145, May 03 2010 Smith Abrasives, Inc Multi-functional sharpener
D665647, Jan 11 2012 Edgecraft Corporation Two-stage manual knife 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
D688545, Mar 07 2012 Edgecraft Corporation Knife sharpener
D699534, Jan 07 2013 Edgecraft Corporation Knife sharpener
D705625, May 21 2013 Edgecraft Corporation Combination sharpener having two sharpening components
D721937, Feb 07 2014 Edgecraft Corporation Electric knife sharpener
D754514, Sep 02 2015 Edgecraft Corporation Compact manual sharpener
D803648, Mar 13 2017 Edgecraft Corporation Two stage electric sharpener
D813004, Feb 24 2016 Edgecraft Corporation Compact manual sharpener
D863915, May 04 2018 Smith's Consumer Products, Inc. Electric sharpener
ER3469,
RE43884, Mar 27 2003 Edgecraft Corporation Apparatus for precision steeling/conditioning of knife edges
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4807399, Mar 12 1984 Edgecraft Corp. Method and apparatus for sharpening a knife
198859,
202799,
D280286, Jun 29 1983 U.S. Philips Corporation Knife sharpener
D303209, Sep 19 1986 Edgecraft Corp. Knife sharpener
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