The ornamental design for a ceilingfan, as shown and described.
The file to this patent contains at least one photograph executed in color. Copies of this patent with color photographs will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a bottom plan view of a ceiling fan, showing my new design;
FIG. 2 is a top plan view thereof; and,
FIG. 3 is a side elevational view of the embodiment of FIG. 1.