US PATENT SUBCLASS 114 / 39.15
.~ With hydrofoil (e.g., keel, skeg, rudder, etc.)

Current as of: June, 1999
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39.12  DF  SAILBOARD AND RIG MEANS THEREFOR {3}
39.15.~ With hydrofoil (e.g., keel, skeg, rudder, etc.)

DEFINITION

Classification: 114/39.15

With hydrofoil (e.g., keel, skeg, rudder, etc.):

(under subclass 39.12) Subject matter wherein the buoyant hull is provided with a blade projecting downwardly into the water which creates a thrust against the water in a direction perpendicular to the plane approximated by the blade.

SEE OR SEARCH THIS CLASS, SUBCLASS:

39.24, for a sailboat having a hydrofoil which provides vertical lift to the hull.