Fan

FIG. 1 is a perspective view 1 of a fan, shown our new design;

FIG. 2 is a perspective view 2 thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left elevation view thereof;

FIG. 6 is a right elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines illustrate portions of the fan that form no part of the claimed design. The dot-dash broken lines illustrate the boundary of the claim. Surface lines are used to clarify shapes.