Knife sharpener

Description

FIG. 1 is a side elevational view of a knife sharpener showing my new design, the opposite side being a mirror image except that it does not include an on/off switch;

FIG. 2 is a top plan view thereof;

FIG. 3 is an end elevational view thereof, the opposite end being a mirror image;

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D198859 August 1964 Madl
D202799 November 1965 De Fano et al.
D280286 August 27, 1985 Van Asten
D303209 September 5, 1989 Friel
4807399 February 28, 1989 Friel
Patent History
Patent number: D310620
Type: Grant
Filed: Feb 1, 1988
Date of Patent: Sep 18, 1990
Inventor: Daniel D. Friel (Greenville, DE)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Clare E. Heflin
Law Firm: Connolly & Hutz
Application Number: 7/150,924
Classifications
Current U.S. Class: D 8/93