Patent
   D326989
Priority
May 30 1989
Filed
May 30 1989
Issued
Jun 16 1992
Expiry
Jun 16 2006
Assg.orig
Entity
unknown
10
7
n/a
The ornamental design for a knife sharpener, as shown and described.

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 left side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a front elevational view thereof.

Taylor, Alvin E., Button, Frank R.

Patent Priority Assignee Title
11565375, Dec 18 2019 AOB Products Company Sharpening device
5928069, Jan 10 1997 Spyderco, Inc. One-piece multi-angled sharpening device
8951098, Nov 30 2012 Spyderco, Inc Rotatable hand-held blade-sharpening apparatus
9796068, Nov 30 2012 Spyderco, Inc Rotatable hand-held blade-sharpening apparatus
D353988, Apr 12 1993 Stand for knife sharpening stones
D401129, Jan 10 1997 Spyderco, Inc. Sharpening device
D406038, Jan 19 1998 Spyderco, Inc. Support base for knife sharpening stones
D427500, Apr 12 1999 Spyderco, Inc. Support base for holding sharpening stones
D513955, Oct 10 2003 Edgecraft Corporation Manual knife sharpener
D675502, Oct 03 2011 Knife sharpening kit
Patent Priority Assignee Title
4231194, Jan 02 1979 Blade sharpener
4538382, Dec 01 1983 Bonni S., Carris Apparatus for sharpening a knife blade or the like
4719722, Apr 08 1982 ADVERTISING UNLIMITED, INC , A CORP OF MINNESOTA Knife sharpener and holder
4731953, Feb 04 1986 Knife sharpener
4903438, Nov 06 1987 Sharpening device
4912885, Nov 10 1988 Knife sharpener
D290222, Nov 08 1984 Arkansas Hones, Inc. Multi-stone hone
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 02 1989BUTTON, FRANK R TRI-V CORPORATION, THEASSIGNMENT OF ASSIGNORS INTEREST 0050790436 pdf
May 02 1989TAYLOR, ALVIN E TRI-V CORPORATION, THEASSIGNMENT OF ASSIGNORS INTEREST 0050790436 pdf
May 30 1989The Tri-V Corporation(assignment on the face of the patent)
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