All-terrain Vehicle

FIG. 1 is a top, front and right side perspective view of an all-terrain vehicle showing our new design; FIG. 2 is top, rear and left side perspective view thereof; FIG. 3 is a front elevation view thereof; FIG. 4 is a rear elevation view thereof; FIG. 5 is a right side elevation view thereof; FIG. 6 is a left side elevation view thereof; FIG. 7 is a top plan view thereof; and, FIG. 8 is a bottom plan view thereof. The portions of all-terrain vehicle are shown ghosted or de-emphasized and bounded in broken lines do not form part of the claimed design.