Ceiling Fan

FIG. 1 is a top perspective view of a ceiling fan, showing my new design. FIG. 2 is a bottom perspective view thereof. FIG. 3 is a top view thereof. FIG. 4 is a bottom view thereof. FIG. 5 is a front view thereof. FIG. 6 is a rear view thereof. FIG. 7 is a right-side view thereof; and, FIG. 8 is a left-side view thereof. Portions of the ceiling fan is shown in broken lines. The portions shown in broken lines form no part of the claimed design. The ceiling fan is shown with symbolic breaks in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.