Towel bar

FIG. 1 is an isometric view of a towel bar embodying the design, with towel bar brackets and an end bar being shown in broken lines for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a front elevation view of the towel bar of FIG. 1 and illustrating the towel bar brackets and the end bar in broken lines for illustrative purposes only so as not to form any part of the claimed design;

FIG. 3 is a right side elevation view of the towel bar of FIG. 1 and illustrating the towel bar brackets and the end bar in broken lines for illustrative purposes only so as not to form any part of the claimed design;

FIG. 4 is a left side elevation view of the towel bar of FIG. 1 and illustrating the towel bar brackets and the end bar in broken lines for illustrative purposes only so as not to form any part of the claimed design;

FIG. 5 is a top-down plan view of the towel bar of FIG. 1 and illustrating the towel bar brackets and the end bar in broken lines for illustrative purposes only so as not to form any part of the claimed design;

FIG. 6 is a bottom-up plan view of the towel bar of FIG. 1 and illustrating the towel bar brackets and the end bar in broken lines for illustrative purposes only so as not to form any part of the claimed design; and,

FIG. 7 is a rear elevation view of the towel bar of FIG. 1 and illustrating the towel bar brackets and the end bar in broken lines for illustrative purposes only so as not to form any part of the claimed design.