Patent
   D323275
Priority
Apr 07 1989
Filed
Apr 07 1989
Issued
Jan 21 1992
Expiry
Jan 21 2006
Assg.orig
Entity
unknown
19
8
n/a
The ornamental design for a portable electric screw drive, as shown.

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

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a bottom plan view thereof.

Sasaki, Yuichiro, Adachi, Yoshiaki

Patent Priority Assignee Title
8480453, Oct 14 2005 SP Air Kabushiki Kaisha Die grinder with rotatable head
D333077, Dec 26 1990 Nitto Kohki Co., Ltd. Portable rotary grinder
D333765, Dec 26 1990 Nitto Kohki Co., Ltd. Portable reciprocating file
D347372, Mar 13 1992 SNAP-ON TOOLS WORLDWIDE, INC ; SNAP-ON TECHNOLOGIES, INC Air tool
D368213, Nov 24 1992 Worktools, Inc Super ergonomic ratchet driver
D376083, May 12 1995 Ingersoll-Rand Company Screwdriver power tool
D377302, May 11 1995 CHICAGO PNEUMATIC TOOL COMPANY LLC Straight-handle pulse tool
D378727, Jul 25 1995 One World Technologies Limited Rotary tool
D380658, Apr 17 1995 Ingersoll-Rand Company Screwdriver power tool
D408243, Feb 23 1998 S.P. Air Kabusiki Kaisha Pneumatic hand tool
D433905, May 19 2000 Black & Decker Inc. Rotary tool
D435204, Nov 12 1999 S.P. Air Kabasiki Kaisha Square drive wrench
D439485, Feb 28 2000 S.P. Air Kabusiki Kaisha Square drive wrench having offset head
D439486, Feb 28 2000 S.P. Air Kabusiki Kaisha Square drive wrench having angled head
D440847, Feb 28 2000 S.P. Air Kabusiki Kaisha Square drive wrench having angled head
D440848, Feb 28 2000 S.P. Air Kabusiki Kaisha Square drive wrench having offset head
D446433, Aug 31 2000 MAT INDUSTRIES, LLC Die grinder
D584355, Nov 09 2007 Panasonic Corporation Electronic pen
D794407, Dec 10 2015 Robert Bosch Tool Corporation; Robert Bosch GmbH Power tool
Patent Priority Assignee Title
3866493,
3935909, Aug 28 1973 Mabuchi Motor Co. Ltd. Electric hand tool
4030383, Jun 30 1976 Nose piece for screwguns
4708210, Mar 20 1984 Atlas Copco Aktiebolag Pneumatic rotary tool
D298009, Dec 12 1985 S-B Power Tool Company Combined cordless screwdriver and charging stand
D310160, Aug 10 1987 Sears Brands, LLC Rotary tool
D310470, Mar 09 1987 Ryobi Ltd. Portable electric grinder
JP625918,
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 07 1989Hitachi Koki Company, Ltd.(assignment on the face of the patent)
May 02 1989SASAKI, YUICHIROHITACHI KOKI COMPANY, LTD ASSIGNMENT OF ASSIGNORS INTEREST 0051150375 pdf
May 02 1989ADACHI, YOSHIAKIHITACHI KOKI COMPANY, LTD ASSIGNMENT OF ASSIGNORS INTEREST 0051150375 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule