Rotary grinding stone

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Description

FIG. 1 is a perspective view of a first embodiment of a rotary grinding stone having a centrally disposed hole according to the new design.

FIG. 2 is a top view of the rotary grinding stone of FIG. 1, the bottom view being a mirror image thereof;

FIG. 3 is a right side view of the rotary grinding stone of FIG. 1, the left side view being a mirror image thereof;

FIG. 4 is a front view of the rotary grinding stone of FIG. 1, the rear view being a mirror image thereof; and,

FIG. 5 is a cross-sectional view of the rotary grinding stone of FIG. 2 taken at section 5—5.

Claims

The ornamental design for a rotary grinding stone, as shown and described.

Referenced Cited
U.S. Patent Documents
D324525 March 10, 1992 Baker et al.
Other references
  • Japanese Publication dated Dec. 2, 1998.
Patent History
Patent number: D504693
Type: Grant
Filed: Nov 21, 2002
Date of Patent: May 3, 2005
Assignee: Shinano Electric Refining Co., Ltd. (Tokyo)
Inventor: Kenichi Kazama (Kamiminochi-gun)
Primary Examiner: Antoine Duval Davis
Attorney: Morgan, Lewis & Bockius LLP
Application Number: 29/171,336
Classifications
Current U.S. Class: Element Or Attachment (D15/126)