FIG. 1 is a perspective view of a basketball backboard frame;

FIG. 2 is a front view of a basketball backboard frame;

FIG. 3 is a rear view of a basketball backboard frame;

FIG. 4 is a side view of a basketball backboard frame;

FIG. 5 is the other side view of a basketball backboard frame; and,

FIG. 6 is a bottom plan view of a basketball backboard frame.

The broken lines showing the hoop and the associated bracket; the lower portion of the backboard frame and rear surface features in FIG. 3 are for illustrative purposes only and form no part of the claimed design.