Cooling fan

Description

FIG. 1 is a perspective view of a cooling fan showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof; and,

FIG. 6 is a top view thereof.

The broken lines show portions of the cooling fan which form no part of the claimed design.

Claims

The ornamental design for a cooling fan as shown and described.