Tower fan

FIG. 1 is a front view of a first embodiment of a tower fan, showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is another front view thereof, showing the tower fan in an alternate operating state;

FIG. 9 is another perspective view thereof, showing the tower fan in an alternate operating state;

FIG. 10 is a front view of a second embodiment of a tower fan, showing our new design;

FIG. 11 is a rear view thereof;

FIG. 12 is a left view thereof;

FIG. 13 is a right view thereof;

FIG. 14 is a top view thereof;

FIG. 15 is a bottom view thereof;

FIG. 16 is a perspective view thereof;

FIG. 17 is another front view thereof, showing the tower fan in an alternate operating state; and,

FIG. 18 is another perspective view thereof, showing the tower fan in an alternate operating state.

The broken lines in the drawings depict portions of the tower fan that form no part of the claimed design.