Lift arm

Description

FIG. 1 is a perspective view of an ornamental design for a lift arm, which shows our new design;

FIG. 2 is a front elevational view of the lift arm of FIG. 1;

FIG. 3 is a rear elevational view of the lift arm of FIG. 1;

FIG. 4 is a left side elevational view of the lift arm of FIG. 1;

FIG. 5 is a right side elevational view of the lift arm of FIG. 1;

FIG. 6 is a top plan view of the lift arm of FIG. 1;

FIG. 7 is an enlarged top plan view of the lift arm from line 7 of FIG. 6; and,

FIG. 8 is a bottom plan view of the lift arm of FIG. 1.

The broken lines in the drawings illustrate portions of the lift arm that form no part of the claimed design. The dot dash dot lines in FIGS. 6 and 7 are notating enlarged views and form no part of the claimed design.

Claims

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