Portable electric hammer drill

- Hitachi Koki Co., Ltd.
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Description

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.

Claims

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

Referenced Cited
U.S. Patent Documents
1821436 September 1931 Holloway
D165415 December 1951 Davis
D167415 August 1952 McCabe
2730635 January 1956 McCabe
3395765 August 1968 Schnettler
4325436 April 20, 1982 Richter et al.
D409468 May 11, 1999 Uchida et al.
D447677 September 11, 2001 Stirm
D473774 April 29, 2003 Stirm
D480937 October 21, 2003 Vogele et al.
6907942 June 21, 2005 Kikuchi et al.
20030155142 August 21, 2003 Kikuchi et al.
20050145403 July 7, 2005 Kikuchi
Patent History
Patent number: D526873
Type: Grant
Filed: Jul 7, 2005
Date of Patent: Aug 22, 2006
Assignee: Hitachi Koki Co., Ltd. (Tokyo)
Inventors: Hitoshi Tsuzuki (Hitachinaka), Masato Sakai (Hitachinaka), Masanori Okada (Hitachinaka), Takeshi Taniguchi (Hitachinaka), Takahiro Ookubo (Hitachinaka)
Primary Examiner: T. Chase Nelson
Attorney: Sughrue Mion, PLLC
Application Number: 29/233,527
Classifications
Current U.S. Class: D8/69