Portable electric hammer drill

- Hitachi Koki Co., Ltd.
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Description

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.

Claims

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

Referenced Cited
U.S. Patent Documents
3919573 November 1975 Schmuck
4260916 April 7, 1981 Theissig
4365962 December 28, 1982 Regelsberger
4366403 December 28, 1982 Simpson et al.
4378053 March 29, 1983 Simpson
4967888 November 6, 1990 Lippacher et al.
D320918 October 22, 1991 Mochida
D349029 July 26, 1994 Matsunaga et al.
D361252 August 15, 1995 De Neergaard et al.
D377591 January 28, 1997 Hattori
D386379 November 18, 1997 Kasuya
D395586 June 30, 1998 Arakawa et al.
D440849 April 24, 2001 Sakai et al.
D440851 April 24, 2001 Sakai et al.
D447032 August 28, 2001 Schoen et al.
6412572 July 2, 2002 Habedank et al.
D466780 December 10, 2002 Stirm
D474092 May 6, 2003 Stirm
Other references
  • Hammer kits, p. 39, DeWalt Tool catalogue, c. 1998.
Patent History
Patent number: D503078
Type: Grant
Filed: Jan 31, 2003
Date of Patent: Mar 22, 2005
Assignee: Hitachi Koki Co., Ltd. (Tokyo)
Inventors: Masato Sakai (Hitachinaka), Seiichi Kodato (Hitachinaka), Hiroshi Haga (Hitachinaka), Shingo Yamazaki (Hitachinaka)
Primary Examiner: Joel A. Sincavage
Assistant Examiner: T. Chase Nelson
Attorney: Sughrue Mion, PLLC
Application Number: 29/175,170
Classifications
Current U.S. Class: D8/69