Patent
   D487279
Priority
Nov 21 2002
Filed
Nov 21 2002
Issued
Mar 02 2004
Expiry
Mar 02 2018
Assg.orig
Entity
unknown
7
1
n/a
The ornamental design for a rotary grinding stone, as shown and described.

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
D544890, Sep 22 2006 Storm Pneumtic Tool Co., Ltd. Grinding wheel
D631626, Apr 15 2009 Eli Lilly and Company Rotary scrub pad
D872780, Jun 01 2017 SUMITOMO ELECTRIC HARDMETAL CORP. Dresser component for grindstone
D879846, Jun 01 2017 SUMITOMO ELECTRIC HARDMETAL CORP. Dresser component for grindstone
D879847, Jun 01 2017 SUMITOMO ELECTRIC HARDMETAL CORP. Dresser component for grindstone
D913612, Oct 04 2018 Minuteman International, Inc. Disc scrub brush driver
ER4904,
Patent Priority Assignee Title
D369360, May 02 1995 Hexagonal abrasive sanding disk
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 21 2002Shinano Electric Refining Co., Ltd.(assignment on the face of the patent)
Dec 03 2002KAZAMA, KENICHISHINANO ELECTRIC REFINING CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0136610440 pdf
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