Conical four-blade counterclockwise impeller

[0001]FIG. 1 is a front, top, right side perspective view of the conical, four-blade, counterclockwise impeller in accordance with the present design;

[0002]FIG. 2 is a front, top, left side perspective view thereof;

[0003]FIG. 3 is a front view thereof;

[0004]FIG. 4 is a rear view thereof;

[0005]FIG. 5 is a right side view thereof

[0006]FIG. 6 is a left side view thereof;

[0007]FIG. 7 is a is a top view thereof;

[0008]FIG. 8 is a bottom view thereof; and,

[0009]FIG. 9 is a sectional view thereof, taken along the line shown in FIGS. 2 and 8.

[0010]The broken lines in the disclosure of FIGS. 1-2 and 4-9 are understood to be for illustrative purposes of the environment and form no part of the claimed design.