Portable electric hammer drill
Latest Hitachi Koki Co., Ltd. Patents:
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
Other references
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 |
- 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
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