Hammer drill

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Description

FIG. 1 is a front perspective view of the hammer drill of the present invention;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front end view thereof;

FIG. 6 is a rear end view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

Claims

The ornamental design for a hammer drill, as shown and described.

Referenced Cited
U.S. Patent Documents
D279862 July 30, 1985 Sato et al.
D279957 August 6, 1985 Akazaw et al.
D280797 October 1, 1985 Sakamoto et al.
4689534 August 25, 1987 Gerber et al.
D310936 October 2, 1990 Saito et al.
D320918 October 22, 1991 Mochida
5056607 October 15, 1991 Sanders
D332208 January 5, 1993 Sakamoto et al.
D339727 September 28, 1993 Kikuchi
5671815 September 30, 1997 Kabatnik et al.
D395586 June 30, 1998 Arakawa et al.
D396395 July 28, 1998 Zurwelle
D406511 March 9, 1999 Zurwelle
D406741 March 16, 1999 Zurwelle
D406742 March 16, 1999 Schoen et al.
5881823 March 16, 1999 Kabatnik et al.
D439123 March 20, 2001 Sakai et al.
D442452 May 22, 2001 Stirm et al.
6223835 May 1, 2001 Habedank et al.
D447032 August 28, 2001 Schoen et al.
6357533 March 19, 2002 Buchholz et al.
6412572 July 2, 2002 Habedank et al.
6415875 July 9, 2002 Meixner et al.
D470737 February 25, 2003 Chunn
Patent History
Patent number: D491438
Type: Grant
Filed: Aug 12, 2003
Date of Patent: Jun 15, 2004
Assignee: One World Technologies, Limited (Hamilton)
Inventors: Benson Chun Kit Cheung (Hong Kong), Daniel Alex Chunn (Hong Kong), Thomas Kam Kee Wong (Kowloon)
Primary Examiner: James Gandy
Assistant Examiner: T. Chase Nelson
Attorney, Agent or Law Firms: John B. Hardaway, III, Nexsen Pruet, LLC
Application Number: 29/188,035
Classifications
Current U.S. Class: D8/68
International Classification: 0801;