Bath Brush Handle

FIG. 1 is a front, right, top perspective view of a bath brush handle, showing my new design; FIG. 2 is a rear, left, bottom perspective view thereof; FIG. 3 is a front elevational view thereof; FIG. 4 is a rear elevational view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; FIG. 7 is an enlarged top plan view thereof; FIG. 8 is an enlarged bottom plan view thereof; FIG. 9 is an enlarged view of detail 9 in FIG. 1 ; FIG. 10 is an enlarged view of detail 10 in FIG. 2 ; FIG. 11 is an enlarged view of detail 11 in FIG. 3 ; FIG. 12 is an enlarged view of detail 12 in FIG. 5 ; FIG. 13 is a front, right, top perspective view of the bath brush handle, in a first usage environment; FIG. 14 is a front, right, top perspective view of the bath brush handle, in a second usage environment; FIG. 15 is a front, right, top perspective view of the bath brush handle, in a third usage environment; and, FIG. 16 is a front, right, top perspective view of the bath brush handle, in a fourth usage environment. The dash-dash broken lines in FIGS. 1 and 7 depict the bounds of the claimed design and form no part of the claimed design. The dot-dash broken lines in FIGS. 1 - 3 , 5 and 9 - 12 depict the bounds of the enlarged views and form no part of the claimed design. The broken lines in FIGS. 13 - 16 are for environmental purposes only and form no part of the claimed design.