Rock claw for demolition hammer

- Caterpillar Inc.
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Description

FIG. 1 is a pictorial view of a rock claw for demolition hammer showing our new design. The broken line showing of an additional rock claw and housing is shown for environmental purposes only and forms no part of the claimed design.

FIG. 2 is a front elevational view of a rock claw of FIG. 1.

FIG. 3 is a bottom plan view of the rock claw of FIG. 2.

FIG. 4 is a right side elevational view thereof, the left side view being a mirror image thereof.

FIG. 5 is a back elevational view of the rock claw of FIG. 2.

FIG. 6 is a top plan view of the rock claw of FIG. 2.

FIG. 7 is a pictorial view of the rock claw of FIG. 2; and,

FIG. 8 is another pictorial view of the rock claw of FIG. 2.

Claims

The ornamental design for a rock claw for demolition hammer, as shown and described.

Referenced Cited
U.S. Patent Documents
1804360 May 1931 Magee
2122686 July 1938 Gaty
4034816 July 12, 1977 Lutich et al.
4182421 January 8, 1980 Zubarev et al.
4231434 November 4, 1980 Justus
D260772 September 15, 1981 Johnson et al.
4602821 July 29, 1986 Schaeff
4759412 July 26, 1988 Brazell, II
D302558 August 1, 1989 Davis et al.
5363835 November 15, 1994 Robson
6095257 August 1, 2000 Lee
D457534 May 21, 2002 Kim
D458614 June 11, 2002 Esterhuyse et al.
7124838 October 24, 2006 Stewart et al.
D542811 May 15, 2007 Launder et al.
D547775 July 31, 2007 Tuscuoglu
D554157 October 30, 2007 Renski
D576644 September 9, 2008 Clendenning et al.
7775296 August 17, 2010 Webber
Foreign Patent Documents
2026370 February 1980 GB
Other references
  • Case Construction Demolition Attachments, Brochure, Sep. 16, 2009, 18 pages.
Patent History
Patent number: D643049
Type: Grant
Filed: Dec 14, 2010
Date of Patent: Aug 9, 2011
Assignee: Caterpillar Inc. (Peoria, IL)
Inventors: James G. Nickels (McGregor, TX), Tommie L Craven (Belton, TX), Lauritz P. Pillers (McGregor, TX)
Primary Examiner: Mark Goodwin
Attorney: Mark R. Hull
Application Number: 29/380,944
Classifications