Knife sharpener


FIG. 1 is a perspective view of a knife sharpener showing my new design, in an extended state;

FIG. 2 is a front elevational view thereof, the rear appearing the same, in a closed state;

FIG. 3 is a side elevational view of FIG. 2;

FIG. 4 is a top plan view of FIG. 2; and,

FIG. 5 is an alternate perspective view thereof.

Referenced Cited
U.S. Patent Documents
2806333 September 1957 Head
3735542 May 1973 Kocian
3861087 January 1975 Martin
4094106 June 13, 1978 Harris
4197677 April 15, 1980 Graves
Other references
  • Chicago Cutlery Cat., 1983, Crock Sticks and Sharpeners. Gutmann Tools Cat., 1982, p. 58, Sharpening Aids.
Patent History
Patent number: D329797
Type: Grant
Filed: Dec 4, 1989
Date of Patent: Sep 29, 1992
Inventor: John M. Baker (Sylva, NC)
Primary Examiner: Bernard Ansher
Assistant Examiner: Philip Hyder
Law Firm: Carter and Schnedler
Application Number: 7/445,020
Current U.S. Class: D 8/93