Portable Fan

FIG. 1 is a front, bottom, right side perspective view of a portable fan, showing my new design in a first position of use;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view of the portable fan of FIG. 1 , shown in a second position of use; and,

FIG. 9 is a perspective view of the portable fan of FIG. 1 , shown in a third position of use.

The broken lines in the drawings illustrate the portions of the portable fan, which form no part of the claimed design.