Portable electric hammer drill

- Hitachi Koki Co., Ltd.
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FIG. 1 is a front view of a portable electric hammer drill showing our new design;

FIG. 2 is a rear side view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom side view thereof;

FIG. 5 is a right side view thereof;

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

FIG. 7 is a front, left, upper perspective view thereof.


The ornamental design for a portable electric hammer drill, as shown and described.

Referenced Cited
U.S. Patent Documents
D409468 May 11, 1999 Uchida
D480937 October 21, 2003 Vogele
D526873 August 22, 2006 Tsuzuki
D538619 March 20, 2007 Okuda
D607294 January 5, 2010 Yamamoto
D614469 April 27, 2010 Hahn
Patent History
Patent number: D799929
Type: Grant
Filed: Aug 22, 2016
Date of Patent: Oct 17, 2017
Assignee: Hitachi Koki Co., Ltd. (Minato-Ku, Tokyo)
Inventors: Yoshiki Aoki (Hitachinaka), Shinichi Kakefuda (Hitachinaka), Rui Akiba (Hitachinaka), Hideki Yamada (Hitachinaka)
Primary Examiner: Austin Murphy
Application Number: 29/575,082
Current U.S. Class: D8/69; D8/61