The ornamental design for a handtruck, as shown and described.
FIG. 1 is a perspective view of a hand truck incorporating my new design with a handle in a first position;
FIG. 2 is a perspective view of the hand truck of FIG. 1 with the handle in a second position;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a left elevational view thereof; and,
FIG. 8 is a right elevational view thereof.
The ornamental design which is claimed is shown in solid lines in the drawings. Any broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.