Lift arm for a motor grader

- Caterpillar Inc.
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Description

FIG. 1 is a right side view of a lift arm for a motor grader showing our new design in use condition;

FIG. 2 is a right front perspective view thereof, shown in use condition;

FIG. 3 is a rear view thereof, shown in use condition, and in cross-section along line 33 of FIG. 1;

FIG. 4 is an enlarged front perspective view thereof;

FIG. 5 is an enlarged rear perspective view thereof;

FIG. 6 is an enlarged top view thereof;

FIG. 7 is an enlarged left side view thereof;

FIG. 8 is an enlarged front view thereof; and,

FIG. 9 is an enlarged right side view thereof.

The broken lines showing portions of a motor grader are included for the purpose of illustrating environmental structure and form no part of the claimed design.

Claims

The ornamental design for a lift arm for a motor grader, as shown and described.

Referenced Cited
U.S. Patent Documents
3986563 October 19, 1976 Stubben
4132290 January 2, 1979 Dezelan et al.
4279312 July 21, 1981 Pyle
4340119 July 20, 1982 MacDonald
4364438 December 21, 1982 Pyle
D275107 August 14, 1984 Crabiel et al.
4696350 September 29, 1987 Ruhter et al.
4807461 February 28, 1989 Brimeyer et al.
5495898 March 5, 1996 McGugan
D440985 April 24, 2001 Noonan et al.
6230818 May 15, 2001 Slunder
6249992 June 26, 2001 Irving et al.
20080185162 August 7, 2008 Maeda
Other references
  • Product Brochure, 140M Motor Grader, Caterpillar Inc., available at http://www.cat.com/cmms/images/C305406.pdf.
  • Product Brochure, 160M Motor Grader, Caterpillar Inc., available at http://www.cat.com/cmms/images/C374342.pdf.
Patent History
Patent number: D594479
Type: Grant
Filed: Jul 31, 2008
Date of Patent: Jun 16, 2009
Assignee: Caterpillar Inc. (Peoria, IL)
Inventors: Andrew G. Greuel (Mt. Zion, IL), Nikhil Sharma (Decatur, IL), Satish Huliyar (Decatur, IL)
Primary Examiner: Stella M Reid
Assistant Examiner: Mark A Goodwin
Attorney: Michael D. Braunstein
Application Number: 29/322,267
Classifications