Portable electric hammer drill

Tsuzuki , et al. August 22, 2

Patent Grant D526873

U.S. patent number D526,873 [Application Number D/233,527] was granted by the patent office on 2006-08-22 for portable electric hammer drill. This patent grant is currently assigned to Hitachi Koki Co., Ltd.. Invention is credited to Masanori Okada, Takahiro Ookubo, Masato Sakai, Takeshi Taniguchi, Hitoshi Tsuzuki.


United States Patent D526,873
Tsuzuki ,   et al. August 22, 2006

Portable electric hammer drill

Claims

CLAIM The ornamental design for a portable electric hammer drill, as shown.
Inventors: Tsuzuki; Hitoshi (Hitachinaka, JP), Sakai; Masato (Hitachinaka, JP), Okada; Masanori (Hitachinaka, JP), Taniguchi; Takeshi (Hitachinaka, JP), Ookubo; Takahiro (Hitachinaka, JP)
Assignee: Hitachi Koki Co., Ltd. (Tokyo, JP)
Appl. No.: D/233,527
Filed: July 7, 2005

Foreign Application Priority Data

Jan 7, 2005 [JP] 2005-000384
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 ;173/13,104,114,168,169,170,171,178,201,211,213,217 ;408/20,124,125,234,241R ;451/358 ;310/50 ;227/8,114,120,130,136,142

References Cited [Referenced By]

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 1982 Richter et al.
D409468 May 1999 Uchida et al.
D447677 September 2001 Stirm
D473774 April 2003 Stirm
D480937 October 2003 Vogele et al.
6907942 June 2005 Kikuchi et al.
2003/0155142 August 2003 Kikuchi et al.
2005/0145403 July 2005 Kikuchi
Primary 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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