Patent
   D526873
Priority
Jan 07 2005
Filed
Jul 07 2005
Issued
Aug 22 2006
Expiry
Aug 22 2020
Assg.orig
Entity
unknown
9
13
n/a
The ornamental design for a portable electric hammer drill, as shown.

FIG. 1 is a perspective view of the top, front and left side of a portable electric hammer drill showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

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

FIG. 7 is a right side elevational view thereof.

Sakai, Masato, Tsuzuki, Hitoshi, Ookubo, Takahiro, Taniguchi, Takeshi, Okada, Masanori

Patent Priority Assignee Title
D538619, Jan 17 2006 Makita Corporation Portable electric hammer drill
D607294, Oct 16 2008 Makita Corporation Portable electric hammer drill
D614469, Jul 22 2008 Black & Decker Inc Hammer
D687280, May 25 2011 Robert Bosch GmbH Hammer drill
D799929, Feb 22 2016 KOKI HOLDINGS CO , LTD Portable electric hammer drill
D853815, Nov 06 2017 INGERSOLL-RAND INDUSTRIAL U S , INC D-handle impact tool
D894706, Sep 05 2018 Robert Bosch GmbH Rotary tool
ER3477,
ER93,
Patent Priority Assignee Title
1821436,
2730635,
3395765,
4325436, May 21 1980 Hilti Aktiengesellschaft Hammer drill or chipping hammer device
6907942, Feb 19 2002 KOKI HOLDINGS CO , LTD Percussion tool
20030155142,
20050145403,
165415,
167415,
D409468, Sep 24 1997 Makita Corporation Portable electric hammer
D447677, Nov 18 1999 Black & Decker Inc Demolition hammer
D473774, Feb 14 2002 Black & Decker Inc. Compact hammer
D480937, Oct 10 2001 Atlas Copco Electric Tools GmbH Hammer drill
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 05 2005TSUZUKI, HITOSHIHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0167710558 pdf
Jul 05 2005SAKAI, MASATOHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0167710558 pdf
Jul 05 2005OKADA, MASANORIHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0167710558 pdf
Jul 05 2005TANIGUCHI, TAKESHIHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0167710558 pdf
Jul 06 2005OOKUBO, TAKAHIROHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0167710558 pdf
Jul 07 2005Hitachi 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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