Electric fan

FIG. 1 is a front perspective view of the electric fan;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is another side view thereof;

FIG. 7 is another side view thereof; and,

FIG. 8 is a perspective rear detail view thereof without the shroud, which is part of the ornamental design, for illustrating interior details.