Bathtub Cover

FIG. 1 is a front, right and bottom perspective view of a bathtub cover, showing my new design;

FIG. 2 is a rear, left and top perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged detail view of area 9 circumscribed in FIG. 2 .

The dot-dash broken lines denote the boundaries of the area of the detail and form no part of the claimed design. The broken lines depict portions of the bathtub cover that form no part of the claim.