U.S. patent number D520,838 [Application Number D/230,805] was granted by the patent office on 2006-05-16 for portable electric hammer drill.
This patent grant is currently assigned to Hitachi Koki Co., Ltd.. Invention is credited to Hiroshi Haga, Masanori Okada, Masato Sakai, Kazuhiro Suzuki, Yoshitaka Suzuki, Takeshi Taniguchi.
United States Patent |
D520,838 |
Okada , et al. |
May 16, 2006 |
Portable electric hammer drill
Claims
CLAIM The ornamental design for a portable electric hammer drill,
as shown.
Inventors: |
Okada; Masanori (Hitachinaka,
JP), Sakai; Masato (Hitachinaka, JP),
Suzuki; Yoshitaka (Wako, JP), Taniguchi; Takeshi
(Hitachinaka, JP), Haga; Hiroshi (Hitachinaka,
JP), Suzuki; Kazuhiro (Asaka, JP) |
Assignee: |
Hitachi Koki Co., Ltd. (Tokyo,
JP)
|
Appl.
No.: |
D/230,805 |
Filed: |
May 27, 2005 |
Foreign Application Priority Data
|
|
|
|
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Nov 30, 2004 [JP] |
|
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2004-036615 |
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Current U.S.
Class: |
D8/69 |
Current International
Class: |
0801 |
Field of
Search: |
;D8/14.1,61,62,63,64,65,66,67,68,69,70
;81/57.11,429,464,465,466,469,489
;173/13,169,178,213,217,114,201,211 ;227/8,114,120,130,136,142
;408/20,124,125,234,241R ;451/358 ;310/50 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
Primary Examiner: Watson; Gary D.
Assistant Examiner: Nelson; T. Chase
Attorney, Agent or Firm: Sughrue Mion, PLLC
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.
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