The ornamental design for a drainprotector, as shown and described.
FIG. 1 is a perspective view taken generally from the top, right-hand side of the drain protector showing my new design;
FIG. 2 is a perspective view taken generally from the bottom, front side thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a back elevational view thereof;
FIG. 5 is a right-side elevational view thereof;
FIG. 6 is a left-side elevational view thereof
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a perspective view of the drain protector as shown in FIG. 1 in an exploded illustration with the drain cover separated from the basket portion.
The broken lines shown in FIG. 3 illustrate environment only that forms no part of the claimed design.