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United States Patent D280,380
Graves September 3, 1985

Sharpening apparatus


The ornamental design for a sharpening apparatus, substantially as shown and described.
Inventors: Graves; Louis N. (Anoka, MN)
Assignee: Louis N. Graves Company, Inc. (Anoka, MN)
Appl. No.: 06/490,775
Filed: May 2, 1983

Current U.S. Class: D8/91 ; D8/93
Field of Search: D8/62,63,90-94 51/8BS,25WG,214 76/82,82.2,84,86,88 30/138

References Cited

U.S. Patent Documents
D266393 October 1982 Mayer et al.
1041631 October 1912 Johnson
1134359 April 1915 Walker
2030161 February 1936 Von Der Lippen
2565353 August 1951 Chester
Primary Examiner: Lucas; Susan J.
Assistant Examiner: Heflin; Clare E.
Attorney, Agent or Firm: Burd, Bartz & Gutenkauf


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.

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