US PATENT SUBCLASS 114 / 39.24
.~ With hydrofoil for providing vertical lift to hull

Current as of: June, 1999
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114 /   HD   SHIPS

39.21  DF  WATERCRAFT WITH MEANS USED IN PROVIDING SAILPOWER {7}
39.24.~ With hydrofoil for providing vertical lift to hull

DEFINITION

Classification: 114/39.24

With hydrofoil for providing vertical lift to hull:

(under subclass 39.21) Subject matter wherein the hull is provided with a blade which is (a) horizontal or at a small angle to a horizontal plane and (b) aligned with the direction of travel such that when the hull is in motion, the force of the water striking the blade creates a resultant

upward force that raises the hull with respect to the water surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

39.15, for a sailboard having a hydrofoil.

274+, for a planing type hull having a hydrofoil.