Patent
   D503078
Priority
Aug 05 2002
Filed
Jan 31 2003
Issued
Mar 22 2005
Expiry
Mar 22 2019
Assg.orig
Entity
unknown
10
18
n/a
The ornamental design for a portable electric hammer drill, as shown.

FIG. 1 is a perspective view of the top, rear and right side of a portable electric hammer drill showing our 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.

Sakai, Masato, Haga, Hiroshi, Kodato, Seiichi, Yamazaki, Shingo

Patent Priority Assignee Title
D520837, Nov 30 2004 KOKI HOLDINGS CO , LTD Portable electric hammer
D520838, Nov 30 2004 KOKI HOLDINGS CO , LTD Portable electric hammer drill
D524626, Feb 10 2005 Black & Decker Inc Hammer
D525849, Jun 17 2004 Portable electric hammer drill
D527601, Feb 10 2005 Black & Decker Inc Hammer
D540642, Feb 10 2005 Black & Decker Inc Hammer
D762435, Sep 26 2014 KOKI HOLDINGS CO , LTD Portable electric hammer drill
D951737, May 21 2020 Makita Corporation Portable electric hammer
ER1150,
ER8662,
Patent Priority Assignee Title
3919573,
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4967888, Jun 27 1988 Hilti Aktiengesellschaft Safety clutch for motor-operated hand tool
6412572, Jan 29 1999 Black & Decker Inc. Battery-powered hand-guided power tool
D320918, Jan 27 1989 Matsushita Electric Works, Ltd. Portable electric hammer drill
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D377591, Oct 14 1994 Max Co., Ltd. Portable electric driver
D386379, Feb 20 1996 Makita Corporation Portable electric hammer
D395586, Feb 20 1996 Makita Corporation Portable electric hammer
D440849, Mar 09 2000 Hitachi Koki Co., Ltd. Portable electric saw
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D474092, Feb 14 2002 Black & Decker Inc. Compact hammer
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 23 2003YAMAZAKI, SHINGOHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0137240901 pdf
Jan 23 2003HAGA, HIROSHIHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0137240901 pdf
Jan 23 2003KODATO, SEIICHIHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0137240901 pdf
Jan 23 2003SAKAI, MASATOHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0137240901 pdf
Jan 23 2003YAMAZAKI, SHINGOHITACHI KOKI CO , LTD RECORD TO CORRECT ASSIGNMENT RECORDED ON JANUARY 31, 2003 AT REEL 013724 FRAME 0901 0144670006 pdf
Jan 23 2003HAGA, HIROSHIHITACHI KOKI CO , LTD RECORD TO CORRECT ASSIGNMENT RECORDED ON JANUARY 31, 2003 AT REEL 013724 FRAME 0901 0144670006 pdf
Jan 23 2003KODATO, SEIICHIHITACHI KOKI CO , LTD RECORD TO CORRECT ASSIGNMENT RECORDED ON JANUARY 31, 2003 AT REEL 013724 FRAME 0901 0144670006 pdf
Jan 23 2003SAKAI, MASATOHITACHI KOKI CO , LTD RECORD TO CORRECT ASSIGNMENT RECORDED ON JANUARY 31, 2003 AT REEL 013724 FRAME 0901 0144670006 pdf
Jan 31 2003Hitachi Koki Co., Ltd.(assignment on the face of the patent)
Jun 01 2018HITACHI KOKI KABUSHIKI KAISHAKOKI HOLDINGS CO , LTD CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0472700107 pdf
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