Patent
   D472565
Priority
May 30 2002
Filed
May 30 2002
Issued
Apr 01 2003
Expiry
Apr 01 2017
Assg.orig
Entity
unknown
9
6
n/a
The ornamental design for a grindstone, as shown and described.

FIG. 1 is a front perspective view of a grindstone showing a first embodiment of my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a front perspective view of a grindstone showing a second embodiment of my new design;

FIG. 10 is a rear perspective view thereof;

FIG. 11 is a front view thereof;

FIG. 12 is a rear view thereof;

FIG. 13 is a left side view thereof;

FIG. 14 is a right side view thereof;

FIG. 15 is a top view thereof;

FIG. 16 is a bottom view thereof;

FIG. 17 is a front perspective view of a grindstone showing a third embodiment of my new design;

FIG. 18 is a rear perspective view thereof;

FIG. 19 is a top view thereof;

FIG. 20 is a bottom view thereof;

FIG. 21 is a left side view thereof;

FIG. 22 is a right side view thereof;

FIG. 23 is a top view thereof; and,

FIG. 24 is a bottom view thereof.

Amamoto, Hirofumi

Patent Priority Assignee Title
9931734, Jan 20 2015 HUSQVARNA AB Carrier disk, system comprising such carrier disk and floor grinding machine
D511081, May 12 2003 TKX Corporation Disk for a rotary disk grinder
D547337, Jun 22 2005 Grinding cup wheel
D554671, Mar 17 2006 Ehwa Diamond Industrial Co., Ltd. Grinding wheel shank
D555180, Aug 15 2005 Sanwa Kenma, Ltd. Grinding wheel
D559649, Mar 17 2006 Ehwa Diamond Industrial Co., Ltd. Grinding wheel shank
D571381, Apr 25 2007 Grinding cup wheel
D601598, Sep 23 2008 Grindstone
D740337, Feb 25 2014 Vaughn C., Jewell; JEWELL, VAUGHN C Flywheel
Patent Priority Assignee Title
3707059,
6361412, Feb 17 1998 Process and rotary point crush truer for dressing grinding wheels with profiled working surfaces
6428406, Aug 04 2000 KANTOSEITO CO , LTD Soft polishing disc with holes and method of manufacturing the same
6431971, Jan 08 1999 3M Innovative Properties Company Abrasive brush
D284969, Oct 28 1983 Honing disc
D324525, Mar 29 1989 GENERAL ELECTRIC CAPITAL CORPORATION, AS AGENT Grinding wheel
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 22 2002AMAMOTO, HIROFUMISANWA KENMA, LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0129780036 pdf
May 30 2002Sanwa Kenma, Ltd.(assignment on the face of the patent)
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