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Publication numberUSD328847 S
Publication typeGrant
Application numberUS 07/358,604
Publication dateAug 25, 1992
Filing dateMay 30, 1989
Publication number07358604, 358604, US D328847 S, US D328847S, US-S-D328847, USD328847 S, USD328847S
InventorsFrank R. Button, Alvin E. Taylor
Original AssigneeTri-V Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Knife sharpener
US D328847 S
Abstract  available in
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  1. 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.

Non-Patent Citations
1Chicago Cutlery Cat., 1983, p. 7, Crock Stick Sharpeners.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6547656 *Oct 16, 2000Apr 15, 2003Levine Arthur L.Serrated knife sharpener
US6595837 *Apr 9, 2001Jul 22, 2003Whirlpool CorporationSharpening stand for a cutlery device
US7467991Oct 21, 2005Dec 23, 2008Gb Ii CorporationKnife sharpener
US8267750Aug 31, 2010Sep 18, 2012Edgecraft CorporationApparatus for precision steeling/conditioning of knife edges
US8430720Mar 6, 2009Apr 30, 2013Edgecraft CorporationApparatus for precision steeling/conditioning of knife edges
US8951098Nov 30, 2012Feb 10, 2015Spyderco, Inc.Rotatable hand-held blade-sharpening apparatus
U.S. ClassificationD08/93