Patent
   D341531
Priority
Aug 28 1991
Filed
Feb 25 1992
Issued
Nov 23 1993
Expiry
Nov 23 2007
Assg.orig
Entity
unknown
17
4
n/a
The ornamental design for an electric screwdriver, as shown and described.

FIG. 1 is a perspective view of an electric screwdriver showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, the opposite side being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Nagano, Katsumi, Yamagiwa, Kazuhiko

Patent Priority Assignee Title
D368213, Nov 24 1992 Worktools, Inc Super ergonomic ratchet driver
D418729, Aug 31 1998 Black & Decker Inc.; Black & Decker Inc Screwdriver
D470374, Oct 03 2001 Black & Decker Inc. Screwdriver
D528385, Nov 19 2004 Black & Decker Inc Handheld cordless screwdriver
D558015, May 24 2006 Robert Bosch GmbH Power operated screwdriver
D565916, Aug 24 2007 Basso Industry Corp. Pneumatic tool
D576853, May 25 2007 Robert Bosch GmbH Screwdriver
D580722, Nov 06 2006 Precision screwdriver
D604581, Jul 09 2009 General Tools & Instruments Company LLC Cordless screwdriver
D641222, Jul 26 2010 IBT Holdings LLC Precision screwdriver handle
D641223, Jul 26 2010 IBT Holdings LLC Precision screwdriver handle
D688109, Sep 07 2012 Stanley Black & Decker, Inc. Pistol grip screwdriver
D860315, Jun 16 2017 SHENZHEN WEISTEK TECHNOLOGY CO., LTD.; SHENZHEN WEISTEK TECHNOLOGY CO , LTD 3D pen
D930452, Nov 20 2019 BEIJING XIAOMI MOBILE SOFTWARE CO , LTD Screwdriver handle
D942832, Dec 06 2019 BEIJING XIAOMI MOBILE SOFTWARE CO , LTD Screwdriver handle
ER7053,
ER8935,
Patent Priority Assignee Title
D323274, Apr 07 1989 HITACHI KOKI COMPANY, LTD Portable electric screw driver
D325502, Oct 12 1988 ATLAS COPCO AKTIEBOLAG, A CORP OF SWEDEN Power screw driver
D325857, Jun 10 1988 Hitachi Koki Company, Limited Screw driver
D327827, Nov 24 1988 Newpros Consumers & Appliances Ltd. Combined power screwdriver and light
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 10 1992NAGANO, KATSUMIMATSUSHITA ELECTRIC INDUSTRIAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST 0060480560 pdf
Feb 10 1992YAMAGIWA, KAZUHIKOMATSUSHITA ELECTRIC INDUSTRIAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST 0060480560 pdf
Feb 25 1992Matsushita Electric Industrial Co., Ltd.(assignment on the face of the patent)
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