Portable electric hammer drill

Okada , et al. September 12, 2

Patent Grant D527969

U.S. patent number D527,969 [Application Number D/233,526] was granted by the patent office on 2006-09-12 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 D527,969
Okada ,   et al. September 12, 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), Tsuzuki; Hitoshi (Hitachinaka, JP), Taniguchi; Takeshi (Hitachinaka, JP), Ookubo; Takahiro (Hitachinaka, JP)
Assignee: Hitachi Koki Co., Ltd. (Tokyo, JP)
Appl. No.: D/233,526
Filed: July 7, 2005

Foreign Application Priority Data

Jan 7, 2005 [JP] 2005-000373
Current U.S. Class: D8/68
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
4479555 October 1984 Grossmann et al.
D280797 October 1985 Sakamoto et al.
5036925 August 1991 Wache
5159986 November 1992 Hoser
D342878 January 1994 Watanabe et al.
D343105 January 1994 Shibata et al.
D406511 March 1999 Zurwelle
D406741 March 1999 Zurwelle
D466779 December 2002 Shibata et al.
D488978 April 2004 Cheung
D492565 July 2004 Stirm
D502374 March 2005 Aglassinger
D502375 March 2005 Aglassinger
D507950 August 2005 Aglassinger
D511286 November 2005 Aglassinger
2004/0206522 October 2004 Etter et al.
2005/0082072 April 2005 Nicolantonio et al.
2005/0155778 July 2005 Ishida et al.
Foreign Patent Documents
2071774 Jul 1997 GB
3001472 Feb 2002 GB
3012073 Apr 2003 GB
3018180 Jul 2004 GB
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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