The ornamental design for a splittopfittedsheetmattress protector, as shown and described.
FIG. 1 is a top perspective view of a split top fitted sheet mattress protector showing my new design;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a left side view thereof, a right side view being a mirror image of the left side view;
FIG. 5 is a front view thereof;
FIG. 6 is a rear view thereof; and,
FIG. 7 is a bottom perspective view thereof;
FIG. 8 is a partially enlarged view showing the area “8” in FIG. 1; and,
FIG. 9 is a partially enlarged view showing the area “9” in FIG. 5.
In FIGS. 1, 5, 8 and 9, the broken lines indicating an enlargement portion of the design form no part of the claimed design. In FIGS. 3 and 7, the broken lines indicating portions of the design form no part of the claimed design.