Patent
   D301300
Priority
Dec 21 1987
Filed
Dec 21 1987
Issued
May 30 1989
Expiry
May 30 2003
Assg.orig
Entity
unknown
13
8
n/a
The ornamental design for a portable electric screw driver, as shown.

FIG. 1 is a front perspective view of the portable electric screw driver showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Sasaki, Yuichiro, Uchida, Toshiaki

Patent Priority Assignee Title
D326597, Oct 02 1989 Hsiang Hwa-Industrial Co., LTD. Power wrench
D326805, Jul 04 1989 Gardena Kress+Kastner GmbH Drilling machine
D327400, Mar 13 1990 Makita Electric Works, Ltd. Portable electric drill
D329794, Oct 10 1989 THOR TOOLS LIMITED, A BRITISH CO Drill
D340395, Sep 12 1991 Makita Corporation Portable electric screwdriver
D440851, Mar 09 2000 Hitachi Koki Co., Ltd. Portable electric drill
D447032, Apr 19 2000 Robert Bosch GmbH Hammer drill
D448638, Nov 20 1999 Andreas Stihl AG & Co Hand-held drill
D460336, Jan 17 2000 LIDL STIFTUNG & CO KG Drilling hammer
D466780, Mar 16 2000 Black & Decker Inc Hammer drill
D473774, Feb 14 2002 Black & Decker Inc. Compact hammer
D507953, Nov 16 2004 Black & Decker Inc.; Black & Decker, Inc Power shears
D538619, Jan 17 2006 Makita Corporation Portable electric hammer drill
Patent Priority Assignee Title
2479750,
118854,
D243652, Jul 31 1975 The Black and Decker Manufacturing Company Cordless electric tool
D243742, Aug 19 1975 The Black and Decker Manufacturing Company Cordless tool
JP537064,
JP560126,
JP575419,
JP596321,
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 16 1987SASAKI, YUICHIROHITACHI KOKI COMPANY, 6-2, OOTE-MACHI 2-CHOME, CHIYODA-KU, TOKYO, JAPANASSIGNMENT OF ASSIGNORS INTEREST 0048170786 pdf
Dec 16 1987UCHIDA, TOSHIAKIHITACHI KOKI COMPANY, 6-2, OOTE-MACHI 2-CHOME, CHIYODA-KU, TOKYO, JAPANASSIGNMENT OF ASSIGNORS INTEREST 0048170786 pdf
Dec 21 1987Hitachi Koki Company, Ltd.(assignment on the face of the patent)
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule