Patent
   D280286
Priority
Jun 29 1983
Filed
Dec 12 1983
Issued
Aug 27 1985
Expiry
Aug 27 1999
Assg.orig
Entity
unknown
10
4
n/a
The ornamental design for a knife sharpener, as shown.

FIG. 1 is a front, top and left side perspective view of a knife sharpener showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a right side elevational view thereof.

Van Asten, Jan F.

Patent Priority Assignee Title
D303209, Sep 19 1986 Edgecraft Corp. Knife sharpener
D310620, Feb 01 1988 Knife sharpener
D324985, Aug 21 1987 HP INTELLECTUAL CORP Knife sharpener
D326986, Mar 02 1990 National Presto Industries, Inc. Knife sharpener
D327833, Aug 24 1988 Sunbeam Products, Inc Knife sharpener
D332210, Oct 13 1989 Fiskars Oy AB Sharpener for scissors
D363867, Aug 08 1994 CUISINE DE FRANCE, LTD Knife sharpener
D409891, Jan 09 1998 Edgecraft Corporation Sharpener
D537698, Jan 19 2005 KAI R & D CENTER CO , LTD Hand sharpener
D655145, May 03 2010 Smith Abrasives, Inc Multi-functional sharpener
Patent Priority Assignee Title
2707852,
192434,
202799,
D269940, Oct 27 1980 BUTLER MANUFACTURING COMPANY, KANSAS CITY, MISSOURI A CORP OF DE Cutlery sharpener
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 10 1983VAN ASTEN, JAN F U S PHILIPS CORPORATIONASSIGNMENT OF ASSIGNORS INTEREST 0042080247 pdf
Dec 12 1983U.S. Philips Corporation(assignment on the face of the patent)
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