Portable electric hammer drill
Watanabe , et al. January 4, 1
U.S. patent number D342,878 [Application Number 07/788,715] was granted by the patent office on 1994-01-04 for portable electric hammer drill. This patent grant is currently assigned to Ryobi Ltd.. Invention is credited to Masakazu Sakamoto, Satoru Watanabe.
| United States Patent | D342,878 |
| Watanabe , et al. | January 4, 1994 |
Portable electric hammer drill
Claims
The ornamental design for a portable electric hammer drill, as shown.
| Inventors: | Watanabe; Satoru (Tokyo, JP), Sakamoto; Masakazu (Tokyo, JP) |
|---|---|
| Assignee: | Ryobi Ltd. (Hiroshima,
JP) |
| Appl. No.: | 07/788,715 |
| Filed: | November 6, 1991 |
Foreign Application Priority Data
| May 7, 1991 [JP] | 3-13193 | |||
| Current U.S. Class: | D8/68 |
| Field of Search: | ;D8/61,68 ;81/57.13,57.14,57.11 ;173/170 ;408/124,125 |
References Cited [Referenced By]
U.S. Patent Documents
| D300717 | April 1989 | Hasegawa et al. |
| D314498 | February 1991 | Hoshino et al. |
| D314698 | February 1991 | Zurwelle |
| D325860 | May 1992 | Fushiya et al. |
Other References
|
Bosch catalog sheet for light electric hammers. . Hitachi catalog sheet for electric hammers.. |
Primary Examiner: Douglas; Alan P.
Assistant Examiner: Musgrove; J. H.
Attorney, Agent or Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Description
FIG. 1 is a perspective view of the front end, one side and top of a portable electric hammer drill showing our new design;
FIG. 2 is a side elevational view thereof showing said one side;
FIG. 3 is a side elevational view thereof showing the opposite side;
FIG. 4 is a front end elevational view thereof;
FIG. 5 is a rear end elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a bottom and left side perspective view thereof.
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