Claims (1)
Claim 1 (Independent)
The ornamental design for a duo-propeller, as shown and described.
Full Description
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FIG. 1 is a perspective view of a duo-propeller, showing my new design.
FIG. 2 is a front elevation view thereof.
FIG. 3 is a rear elevation view thereof.
FIG. 4 is a left side elevation view thereof.
FIG. 5 is a right side elevation view thereof.
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines in FIGS. 1 - 7 represent portions of the duo-propeller that form no part of the claimed design.
Citations
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