CLAIM The ornamental design for an extended scrub brush, as shown and described.
FIG. 1 is a front perspective view of an extended scrub brush showing our new design.
FIG. 2 is a right side elevation view thereof.
FIG. 3 is a top plan view thereof.
FIG. 4 is a front elevation view thereof.
FIG. 5 is a left side elevation view.
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a rear elevation view thereof.
The broken lines immediately adjacent the shaded areas on the handle represent the bounds of the claim and all of the other broken lines are for illustrative purposes only. None of the broken lines form part of the claimed design.