Work tool attachment coupler for a machine
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Description
FIG. 1 is a left perspective view of a work tool attachment coupler for a machine, showing my new design;
FIG. 2 is a right perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a right side view thereof; and,
FIG. 8 is a left side view thereof.
Claims
The ornamental design for a work tool attachment coupler for a machine, as shown.
Referenced Cited
U.S. Patent Documents
4204794 | May 27, 1980 | Aoshiba |
D274251 | June 12, 1984 | Hustveit |
4480955 | November 6, 1984 | Andrews et al. |
4663866 | May 12, 1987 | Karlsson et al. |
4963071 | October 16, 1990 | Larwin et al. |
5088882 | February 18, 1992 | Lovitt, Jr. |
5107610 | April 28, 1992 | Fusco |
5147173 | September 15, 1992 | Fauber et al. |
5301972 | April 12, 1994 | Lee |
5382110 | January 17, 1995 | Perotto et al. |
5494396 | February 27, 1996 | Geier et al. |
5549440 | August 27, 1996 | Cholakon et al. |
6074120 | June 13, 2000 | Williams |
6108951 | August 29, 2000 | Renfrow et al. |
6350079 | February 26, 2002 | Williams |
6662681 | December 16, 2003 | Crane et al. |
6691438 | February 17, 2004 | Fatemi |
Patent History
Patent number: D535183
Type: Grant
Filed: Apr 27, 2005
Date of Patent: Jan 16, 2007
Assignee: Caterpillar Inc (Peoria, IL)
Inventors: Alberto Diaz (Apex, NC), Michael S Sekulich (Raleigh, NC)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Barbara Fox
Attorney: Michael L. Woods
Application Number: 29/228,683
Type: Grant
Filed: Apr 27, 2005
Date of Patent: Jan 16, 2007
Assignee: Caterpillar Inc (Peoria, IL)
Inventors: Alberto Diaz (Apex, NC), Michael S Sekulich (Raleigh, NC)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Barbara Fox
Attorney: Michael L. Woods
Application Number: 29/228,683
Classifications
Current U.S. Class:
D8/401