Patent
   D502378
Priority
Nov 18 2002
Filed
Nov 18 2002
Issued
Mar 01 2005
Expiry
Mar 01 2019
Assg.orig
Entity
unknown
11
16
n/a
The ornamental design for a pad for grinding stone, as shown and described.

FIG. 1 is a perspective view of a pad for grinding stone of the invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a perspective view showing the article as used; and,

FIG. 7 is another perspective view showing the article as used.

The broken line showing of environmental structure including a grinder and stone or concrete surface upon which the grinder is used is for illustrative purposes only and forms no part of the claimed design.

Kang, Jong Moo, Park, Jong Kuk, Jeong, Hwa Jin

Patent Priority Assignee Title
D553932, Aug 19 2005 Buffing pad
D684739, Sep 10 2010 S.M. Arnold, Inc Vented waffle style buffing pad with straight edge
D742195, Dec 16 2013 3M Innovation Properties Company; 3M Innovative Properties Company Sanding article with pattern
D742196, Dec 16 2013 3M Innovative Properties Company Sanding article with pattern
D975148, Dec 11 2019 Ferronato KGS Group AG Polishing or grinding element
D975756, Dec 11 2019 Ferronato KGS Group AG Polishing or grinding element
ER4889,
ER4904,
ER733,
ER8393,
ER9371,
Patent Priority Assignee Title
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3252775,
3529945,
3869263,
4331453, Nov 01 1979 Minnesota Mining and Manufacturing Company Abrasive article
5022191, Nov 22 1988 LAM-PLAN S A Polishing plate
5782682, Jun 09 1995 EHWA Diamond Ind. Co. Ltd. Grinding wheel having abrasive tips
6220942, Apr 02 1999 Applied Materials, Inc.; Applied Materials, Inc CMP platen with patterned surface
6364749, Sep 02 1999 Micron Technology, Inc. CMP polishing pad with hydrophilic surfaces for enhanced wetting
6500057, Aug 09 2000 Drywall abrasive sanding disk, sanding pad, and method
845987,
D247672, Apr 01 1976 Grinding wheel
D277486, Mar 18 1982 New Registon Co., Ltd. Grinding wheel
D444483, Feb 08 2000 Sanwa Kenma Kogyo Co., Ltd. Grinding disk
D474666, Feb 08 2002 Ehwa Diamond Industrial Co., Ltd. Pad for grinding stone
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 14 2002KANG, JONG MOOEHWA DIAMOND INDUSTRIAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0135050773 pdf
Nov 14 2002PARK, JONG KUKEHWA DIAMOND INDUSTRIAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0135050773 pdf
Nov 14 2002JEONG, HWA JINEHWA DIAMOND INDUSTRIAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0135050773 pdf
Nov 18 2002Ehwa Diamond Industrial Co., Ltd.(assignment on the face of the patent)
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