The ornamental design for a palletprotector, as shown and described.
FIG. 1 shows a perspective view of our design for the shape of a pallet protector in the environment of an attached pallet. The dashed line depiction of a pallet is for purposes of illustrating the environment and forms no part of the claimed design;
FIG. 2 shows the right side elevation view of our design for a pallet protector, the left side is a mirror image of the right side;
FIG. 3 shows a front view of the pallet protector of FIG. 1;
FIG. 4 shows a rear view of the pallet protector of FIG. 1;
FIG. 5 shows a plan view of the pallet protector of FIG. 1; and,
FIG. 6 shows a bottom view of the pallet protector of FIG. 1.