Fan

FIG. 1 is a front right perspective view from below of a fan according to the new design;

FIG. 2 is a rear left perspective view from below thereof;

FIG. 3 is a front right perspective view from above thereof;

FIG. 4 is a rear left perspective view from above thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is an enlarged view of detail 7 in FIG. 1 ;

FIG. 8 is an enlarged view of detail 8 in FIG. 2 ;

FIG. 9 is an enlarged view of detail 9 in FIG. 3 ;

FIG. 10 is an enlarged view of detail 10 in FIG. 4 ;

FIG. 11 is an enlarged view of detail 11 in FIG. 5 ; and,

FIG. 12 is an enlarged view of detail 12 in FIG. 6 .

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

The long dash-short dash lines in the drawings represent a boundary of the claimed design and form no part of the claimed design.

The dashed breakaway lines in the figures indicate a symbolic break in the length of the design indicating no specific length. The appearance of any portion of the design between the break lines forms no part of the claimed design.

The dash-dot lines in the figures depict the boundaries of the enlargements that form no part of the claimed design.

Oblique lines in the broken away portion of the drawings illustrate a transparent and/or translucent surface, and not surface ornamentation.