Patent
   D310470
Priority
Mar 09 1987
Filed
Sep 08 1987
Issued
Sep 11 1990
Expiry
Sep 11 2004
Assg.orig
Entity
unknown
25
2
n/a
The ornamental design for a portable electric grinder, as shown.

FIG. 1 is a front, top and right side perspective view of a portable electric grinder showing my new design,

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Tohdoh, Masaharu

Patent Priority Assignee Title
6698048, Jan 25 2002 Motorized device for cutting and cleaning a piece of pipe
D320727, Oct 17 1988 Makita Electric Works, Ltd. Portable electric grinder
D322205, Apr 26 1989 Electric screwdriver or similar article
D323274, Apr 07 1989 HITACHI KOKI COMPANY, LTD Portable electric screw driver
D323275, Apr 07 1989 HITACHI KOKI COMPANY, LTD Portable electric screw driver
D326043, May 19 1989 Hitachi Koki Company, Limited Electric screw driver
D333077, Dec 26 1990 Nitto Kohki Co., Ltd. Portable rotary grinder
D333765, Dec 26 1990 Nitto Kohki Co., Ltd. Portable reciprocating file
D336729, Apr 19 1991 Nitto Kohki Co., Ltd. Portable pneumatic grinder
D374159, Jan 17 1995 One World Technologies Limited Electric chisel
D412273, Aug 13 1998 Grinding and graving machine
D427039, Feb 22 1999 Urawa Kohgyo Co., Ltd. Rotary tool
D427870, May 14 1999 Choon Nang Electrical Appliance Mfy., Ltd. Electric rotary tool
D433905, May 19 2000 Black & Decker Inc. Rotary tool
D437757, Mar 09 2000 Makita Corporation Portable electric drywall cutout tool
D437758, Jan 11 2000 Choon Nang Electrical Appliances Mfy., Ltd. Rotary driving tool
D438076, May 08 2000 Black & Decker Inc. Drywall cutout tool
D438077, Nov 22 1999 Metabowerke GmbH & Co. Electrical tool
D439122, Feb 17 2000 Credo Technology Corporation Spiral cutting tool
D446100, Jun 30 2000 Choon Nang Electrical Appliance Mfy., Ltd. Electric trimmer
D447028, May 08 2000 Black & Decker Inc. Keyless collet for a power tool
D447030, Feb 07 2001 Electric drilling machine
D601873, Mar 09 2009 Senson Investments Limited Nail grinder
D604581, Jul 09 2009 General Tools & Instruments Company LLC Cordless screwdriver
D848803, Dec 29 2016 Gas combustor
Patent Priority Assignee Title
2906067,
DE2172443,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 24 1987TOHDOH, MASAHARURyobi LTDASSIGNMENT OF ASSIGNORS INTEREST 0053280482 pdf
Sep 08 1987Ryobi Ltd.(assignment on the face of the patent)
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