Rock claw for demolition hammer
Nickels , et al. August 9, 2
U.S. patent number D643,049 [Application Number D/380,944] was granted by the patent office on 2011-08-09 for rock claw for demolition hammer. This patent grant is currently assigned to Caterpillar Inc.. Invention is credited to Tommie L Craven, James G. Nickels, Lauritz P. Pillers.
| United States Patent | D643,049 |
| Nickels , et al. | August 9, 2011 |
Rock claw for demolition hammer
Claims
CLAIM The ornamental design for a rock claw for demolition hammer, as shown and described.
| Inventors: | Nickels; James G. (McGregor, TX), Craven; Tommie L (Belton, TX), Pillers; Lauritz P. (McGregor, TX) |
|---|---|
| Assignee: | Caterpillar Inc. (Peoria,
IL) |
| Appl. No.: | D/380,944 |
| Filed: | December 14, 2010 |
| Current U.S. Class: | D15/28 |
| Current International Class: | 1503 |
| Field of Search: | ;D15/10,21,28 ;299/69,70,20,22,23 ;173/46,171,162.1,119,134,135,21,78 ;37/403 |
References Cited [Referenced By]
U.S. Patent Documents
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| 4034816 | July 1977 | Lutich et al. |
| 4182421 | January 1980 | Zubarev et al. |
| 4231434 | November 1980 | Justus |
| D260772 | September 1981 | Johnson et al. |
| 4602821 | July 1986 | Schaeff |
| 4759412 | July 1988 | Brazell, II |
| D302558 | August 1989 | Davis et al. |
| 5363835 | November 1994 | Robson |
| 6095257 | August 2000 | Lee |
| D457534 | May 2002 | Kim |
| D458614 | June 2002 | Esterhuyse et al. |
| 7124838 | October 2006 | Stewart et al. |
| D542811 | May 2007 | Launder et al. |
| D547775 | July 2007 | Tuscuoglu |
| D554157 | October 2007 | Renski |
| D576644 | September 2008 | Clendenning et al. |
| 7775296 | August 2010 | Webber |
| 2026370 | Feb 1980 | GB | |||
Other References
|
Case Construction Demolition Attachments, Brochure, Sep. 16, 2009, 18 pages. cited by other. |
Primary Examiner: Goodwin; Mark
Attorney, Agent or Firm: Hull; Mark R.
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.
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