Knife sharpener

Description

FIG. 1 is a front perspective view of a knife sharpener of our new design;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is one end view thereof;

FIG. 6 is the opposite end view; and,

FIG. 7 is similar to FIG. 1, showing a variation of the design.

Referenced Cited
U.S. Patent Documents
D75619 June 1928 Geller
D183530 September 1958 Lamb
D241504 September 1976 Krusche
D269940 August 2, 1983 Hirosawa
D276886 December 25, 1984 Carter
D308018 May 22, 1990 Linden et al.
D309414 July 24, 1990 Shimizu
D309415 July 24, 1990 Shimizu
Patent History
Patent number: D339730
Type: Grant
Filed: Feb 25, 1991
Date of Patent: Sep 28, 1993
Inventor: James M. Pigott (San Antonio, TX)
Primary Examiner: Bernard Ansher
Assistant Examiner: Philip Hyder
Application Number: 7/659,918
Classifications
Current U.S. Class: D 8/93