Hammer drill

- One World Technologies
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Description

FIG. 1 is a right side perspective view of the hammer drill of the present invention.

FIG. 2 is a right side elevational view of the hammer drill shown thereof;

FIG. 3 is a left side elevational view of the hammer drill shown thereof;

FIG. 4 is a front end view of the hammer drill shown thereof;

FIG. 5 is a rear end view of the hammer drill shown thereof;

FIG. 6 is a top view of the hammer drill shown thereof; and,

FIG. 7 is a bottom view of the hammer drill shown 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 Akazawa et al.
D280797 October 1, 1985 Sakamoto et al.
4689534 August 25, 1987 Gerber et al.
5056607 October 15, 1991 Sanders
D332208 January 5, 1993 Sakamoto et al.
D339727 September 28, 1993 Kikuchi
D396395 July 28, 1998 Zurwelle
D406511 March 9, 1999 Zurwelle
D406741 March 16, 1999 Zurwelle
D406742 March 16, 1999 Schoen et al.
D439123 March 20, 2001 Sakai et al.
D470737 February 25, 2003 Chunn et al.
Other references
  • Drills, p. 84 of the Skil Power Tools & Accessories catalogue, c. 1995.*
  • Drills, p. 22 of the DeWalt Tool catalogue, c. 1998.
Patent History
Patent number: D488978
Type: Grant
Filed: Nov 13, 2002
Date of Patent: Apr 27, 2004
Assignee: One World Technologies (Hamilton)
Inventor: Benson Chun Kit Cheung (Kowloon)
Primary Examiner: Doris V. Coles
Assistant Examiner: T. Chase Nelson
Attorney, Agent or Law Firms: Andrew Y. Pang, Nexson Pruet Jacobs & Pollard, LLC
Application Number: 29/170,907
Classifications
Current U.S. Class: D8/68
International Classification: 0801;