Patent
   D520838
Priority
Nov 30 2004
Filed
May 27 2005
Issued
May 16 2006
Expiry
May 16 2020
Assg.orig
Entity
unknown
1
21
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.

Suzuki, Kazuhiro, Sakai, Masato, Taniguchi, Takeshi, Haga, Hiroshi, Suzuki, Yoshitaka, Okada, Masanori

Patent Priority Assignee Title
D762435, Sep 26 2014 KOKI HOLDINGS CO , LTD Portable electric hammer drill
Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 23 2005SUZUKI, YOSHITAKAHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166150624 pdf
May 25 2005SUZUKI, KAZUHIROHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166150624 pdf
May 27 2005Hitachi Koki Co., Ltd.(assignment on the face of the patent)
May 27 2005OKADA, MASANORIHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166150624 pdf
May 27 2005SAKAI, MASATOHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166150624 pdf
May 27 2005TANIGUCHI, TAKESHIHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166150624 pdf
May 27 2005HAGA, HIROSHIHITACHI KOKI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166150624 pdf
Jun 01 2018HITACHI KOKI KABUSHIKI KAISHAKOKI HOLDINGS CO , LTD CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0472700107 pdf
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