Knife sharpener

- Corning Glass Works
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Description

FIG. 1 is a side elevational view of the knife sharpener showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D169539 May 1953 Folli
D219726 January 1971 van Horn
D274497 July 3, 1984 Zabel et al.
2042916 June 1936 Viozzi
Patent History
Patent number: D299308
Type: Grant
Filed: Sep 28, 1987
Date of Patent: Jan 10, 1989
Assignee: Corning Glass Works (Corning, NY)
Inventor: William A. Prindle (Santa Barbara, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Clare E. Heflin
Attorneys: Richard N. Wardell, Alfred L. Michaelsen
Application Number: 7/101,769
Classifications
Current U.S. Class: D 8/93