Cistern

Description

FIG. 1 is a top, front, left perspective view of a cistern showing our new design;

FIG. 2 is a top, rear, right perspective view thereof;

FIG. 3 is a top, front, right perspective view thereof;

FIG. 4 is a top, rear, left perspective view thereof;

FIG. 5 is a bottom, rear, right perspective view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is a left side view thereof;

FIG. 9 is a right side view thereof; and,

FIG. 10 is a top view thereof.

The portions of the cistern illustrated in broken lines form no part of the claimed design.

Claims

The ornamental design for a cistern as shown and described.