Non-slip surface unit for bathtubs or the like

FIG. 1 is a top plan view of a non-slip surface unit for bathtubs or the like showing a bath mat, the bottom being plain and unornamented;

FIG. 2 is a side elevational view taken on line 2--2 of FIG. 1, the opposite side being a mirror image of the side shown;

FIG. 3 is an end elevational view taken on line 3--3 of FIG. 1;

FIG. 4 is an end elevational view taken on line 4--4 of FIG. 1;

FIG. 5 is a top plan view of a second embodiment of the non-slip surface unit for bathtubs or the like showing bathtub treads, the bottom being the same as the top shown;

FIG. 6 is a side elevational view taken on line 6--6 of FIG. 5, the opposite side being a mirror image of the side shown;

FIG. 7 is an end elevational view taken on line 7--7 of FIG. 5;

FIG. 8 is an end elevational view taken on line 8--8 of FIG. 5;

FIG. 9 is a top plan view of a third embodiment of the non-slip surface unit for bathtubs or the like showing a bathtub floor panel, the bottom being plain and unornamented;

FIG. 10 is a side elevational view taken on line 10--10 of FIG. 9, the opposite side being a mirror image of the side shown;

FIG. 11 is an end elevational view taken on line 11--11 of FIG. 9;

FIG. 12 is an end elevational view taken on line 12--12 of FIG. 9;

FIG. 13 is an enlarged cross sectional view taken on line 13--13 of FIG. 9;

FIG. 14 is a top plan view of a fourth embodiment of the non-slip surface unit for bathtub floor panel, the bottom being plain and unornamented;

FIG. 15 is a side elevational view taken on line 15--15 of FIG. 14, the opposite side being the same as the side shown;

FIG. 16 is an end elevational view taken on line 16--16 of FIG. 14; and

FIG. 17 is an end elevational view taken on line 17--17 of FIG. 14; and

FIG. 18 is an enlarged cross-sectional view taken on line 18--18 of FIG. 14.

The fragmentary broken lines representation of the outline of a bathtub in FIGS. 9 and 14 are for purposes of illustration only and form no part of the claimed design.