Whetstone

- Ryobi Limited
Description

FIG. 1 is a top perspective view of a whetstone showing our new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
D91979 April 1934 Blake
D188124 June 1960 Cowley et al.
D227733 July 1973 Baer
D231428 April 1974 Scott
D240705 July 1976 Franzen et al.
D248729 August 1, 1978 Gunzner
D250452 December 5, 1978 Heischman
D265545 July 27, 1982 Rueb
1066340 July 1913 Thomas
Patent History
Patent number: D295716
Type: Grant
Filed: Mar 5, 1985
Date of Patent: May 17, 1988
Assignee: Ryobi Limited (Hiroshima)
Inventors: Takeshi Shohoji (Tokyo), Yutaka Kanamaru (Tokyo)
Primary Examiner: Catherine E. Kemper
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 6/708,282
Classifications
Current U.S. Class: D 8/91