The ornamental design for a safetybar apparatus for a bathtub, as shown and described.
FIG. 1 is a front and side perspective view of a safety bar apparatus for a bathtub made up of a pair of housings showing my new design, with the housings being positioned to capture a safety bar in an upper position;
FIG. 2 is a front and side perspective view of one housing positioned to capture a safety bar in a lower position;
FIG. 3 is a first side elevation view of the housing of FIG. 2, with the second side being a mirror image thereof;
FIG. 4 is a top plan view of the housing of FIG. 2;
FIG. 5 is a bottom plan view of the housing of FIG. 2;
FIG. 6 is a front elevation view of the housing of FIG. 2; and,
FIG. 7 is a rear elevation view of housing of FIG. 2.
The broken line showing a safety bar is for illustrative purposes only and forms no part of the claimed design.