Sharpening apparatus

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Description

FIG. 1 is a rear perspective view of the sharpening apparatus showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D266393 October 5, 1982 Mayer et al.
1041631 October 1912 Johnson
1134359 April 1915 Walker
2030161 February 1936 Von Der Lippen
2565353 August 1951 Chester
Patent History
Patent number: D280380
Type: Grant
Filed: May 2, 1983
Date of Patent: Sep 3, 1985
Assignee: Louis N. Graves Company, Inc. (Anoka, MN)
Inventor: Louis N. Graves (Anoka, MN)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Clare E. Heflin
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 6/490,775
Classifications
Current U.S. Class: D 8/91; D 8/93