US D372302 S
FIG. 1 is a perspective view of my back rest for bathtub shown in place for use in a bathtub, the broken lines partially showing the bathtub being for illustrative purposes only and forming no part of the design;
FIG. 2 is a front view of my back rest;
FIG. 3 is a back view of FIG. 3;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a right side view of FIG. 3;
FIG. 6 is a top view of FIG. 3; and,
FIG. 7 is a bottom view of FIG. 3.