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Publication numberUSD309414 S
Publication typeGrant
Application numberUS 07/180,017
Publication dateJul 24, 1990
Filing dateApr 11, 1988
Priority dateOct 29, 1987
Publication number07180017, 180017, US D309414 S, US D309414S, US-S-D309414, USD309414 S, USD309414S
InventorsKiyoshi Shimizu
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Knife sharpener
US D309414 S
Abstract  available in
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  1. 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.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD665647 *Jan 11, 2012Aug 21, 2012Edgecraft CorporationTwo-stage manual knife sharpener
USD763650Dec 15, 2014Aug 16, 2016Zwilling J.A. Henckels AgSharpener
USD773913Dec 15, 2014Dec 13, 2016Zwilling J.A. Henckels AgSharpener
U.S. ClassificationD08/93, D08/63