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Patent
   D632153
Priority
Feb 15 2010
Filed
Feb 15 2010
Issued
Feb 08 2011
Expiry
Feb 08 2025
Inventors
Seymour, J…
Assg.orig
National P…
Assg.curr
NATIONAL P…
Entity
unknown
Referenced by
18
References
43
Maint.:
n/a
We claim the ornamental design for an adjustable knife sharpener, as shown.

FIG. 1 is a front, perspective view of an adjustable knife sharpener according to an embodiment of the invention.

FIG. 2 is a front view of the adjustable knife sharpener of FIG. 1.

FIG. 3 is a top view of the adjustable knife sharpener of FIG. 1.

FIG. 4 is a right side view of the adjustable knife sharpener of FIG. 1; and,

FIG. 5 is a rear view of the adjustable knife sharpener of FIG. 1.

The broken lines in the drawings illustrate features of the design that form no part of the claim.
INVENTORS:

Seymour, Justun C., Walker, Shane R.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
9649749, Jan 16 2015 Edgecraft Corporation Manual sharpener
9656372, Jan 16 2015 Edgecraft Corporation Sharpener for thick knives
D651887, Feb 21 2011 Edgecraft Corporation Two stage manual knife sharpener
D652284, Feb 16 2011 Edgecraft Corporation Three stage manual knife 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
D837010, Apr 18 2017 Lifetime Brands, Inc. Electric knife sharpener
D875496, Apr 04 2018 Sharpener
ER6212,
ER8967,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
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3956856, Feb 14 1975 Reciprocating sharpener
3993116, Mar 27 1975 Bandag Licensing Corporation Rasp sharpener
4005554, Aug 20 1975 Gehl Company Blade sharpening device for rotatable chopping cylinders
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4915709, Aug 08 1988 APPLICA CONSUMER PRODUCTS, INC Knife sharpener
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6875093, Oct 15 2002 Edgecraft Corporation Sharpening device
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6969299, Nov 10 2004 Razor blade sharpener
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D543430, Mar 10 2005 Edgecraft Corporation Electric knife sharpener
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ASSIGNMENT RECORDS    Assignment records on the USPTO
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 15 2010National Presto Industries, Inc.(assignment on the face of the patent)
Mar 01 2010WALKER, SHANE R NATIONAL PRESTO INDUSTRIES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0240680116 pdf
Mar 02 2010SEYMOUR, JUSTUN C NATIONAL PRESTO INDUSTRIES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0240680116 pdf
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