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Patent
D487279
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Priority
Nov 21 2002
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Filed
Nov 21 2002
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Issued
Mar 02 2004
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Expiry
Mar 02 2018
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Assg.orig
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Entity
unknown
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7
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1
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n/a
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The ornamental design for a rotary grinding stone, as shown and described.
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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.
Kazama, Kenichi
Patent |
Priority |
Assignee |
Title |
D369360, |
May 02 1995 |
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Hexagonal abrasive sanding disk |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a