Cleaning Brush

FIG. 1 is a front perspective view of a cleaning brush showing our new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a rear view thereof.

The oblique shade lines represent a translucent or transparent appearance; the broken lines immediately adjacent to the shaded area define boundaries of the claimed design and form no part thereof; the broken lines showing the remainder of the article represent unclaimed subject matter and form no part of the claimed design.