USD576539S1 - Screw propeller - Google Patents

Description

FIG. 1 is a top, front perspective view of a screw propeller showing our invention;

FIG. 2 is a bottom, front perspective view of the screw propeller of FIG. 1;

FIG. 3 is a front view of the screw propeller of FIG. 1;

FIG. 4 is a rear view of the screw propeller of FIG. 1;

FIG. 5 is an enlarged right side view of the screw propeller of FIG. 1;

FIG. 6 is a left side view of the screw propeller of FIG. 1;

FIG. 7 is a greatly enlarged top view of the screw propeller of FIG. 1; and,

FIG. 8 is a greatly enlarged bottom view of the screw propeller of FIG. 1;

Claims (1)

1. We claim the ornamental design for a screw propeller, as shown and described.

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