US D423638 S
Abstract available in
FIG. 1 is an upper perspective view of a aerobic treatment tank showing my design.
FIG. 2 is a side elevational view thereof, the opposite side being a mirror image thereof;
FIG. 3 is an end view thereof;
FIG. 4 is a plan view thereof;
FIG. 5 is an opposite end view thereof; and,
FIG. 6 is a bottom view thereof.
The broken line showing is for illustrative purposes only and forms no part of the claimed design.