Lift Gate

FIG. 1 is a perspective view of the claimed design; FIG. 2 is perspective view of the claimed design; FIG. 3 is a front view of the claimed design; FIG. 4 is a rear view of the claimed design; FIG. 5 is a side view of the claimed design; FIG. 6 is a side view of the claimed design; FIG. 7 is a top view of the claimed design; and, FIG. 8 is a bottom view of the claimed design. The broken lines represent portions of the lift gate that form no part of the claimed design.