FIG. 1 is a front view of the cooling fan embodying our new ornamental design and with environmental structure shown in phantom.
FIG. 2 is a rear view of the cooling fan shown in FIG. 1.
FIG. 3 is a cross sectional view showing one blade.
FIG. 4 is another cross sectional view with the cooling fan inverted showing one blade.
FIG. 5 is an edge view of a blade.
FIG. 6 is the view of FIG. 5 inverted.
FIG. 7 is a perspective view of the cooling fan showing one blade in isolation.
FIG. 8 is a front view of a single cooling fan blade similar to the view in FIG. 1 but without the environmental structure shown in phantom.
FIG. 9 is a rear view of a single cooling fan blade similar to the view in FIG. 2 but without the environmental structure shown in phantom.
FIG. 10 is a side view of a single cooling fan blade similar to the view in FIG. 3 but without the environmental structure shown in phantom.
FIG. 11 is a inverted view of a single cooling fan blade similar to the view in FIG. 4 but without the environmental structure shown in phantom.
FIG. 12 is a edge view of a single cooling fan blade similar to the view in FIG. 5 but without the environmental structure shown in phantom.
FIG. 13 is an inverted edge view of a single cooling fan blade similar to the view in FIG. 6 but without the environmental structure shown in phantom.
FIG. 14 is a perspective view of a single cooling fan blade indicating the location of cross-sectional views A-A and B-B found in FIGS. 15 and 16 respectively.
FIG. 15 is a cross-sectional view of the blade shown in FIG. 14 from location A-A; and,
FIG. 16 is a cross-sectional view of the blade shown in FIG. 14 from location B-B.
The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design.