The ornamental design of an icecreamtruck, as shown and described.
FIG. 1 is a right perspective view of an embodiment of an ice cream truck showing my new design;
FIG. 2 is a front view of the ice cream truck of FIG. 1;
FIG. 3 is a rear view of the ice cream truck of FIG. 1;
FIG. 4 is a left side view of the ice cream truck of FIG. 1; and,
FIG. 5 is a right side view of the ice cream truck of FIG. 1
The broken lines are provided for illustrative purposes only, and form no part of the claimed design. In addition, shadings are provided for illustrative purposes only, and do not form any portion of the claimed design.