US PATENT SUBCLASS 114 / 276
.~.~.~ Having feeler means

Current as of: June, 1999
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114 /   HD   SHIPS

271  DF  HULL OR HULL ADJUNCT EMPLOYING FLUID DYNAMIC FORCES TO DERIVE A LIFT OR ALTER TRIM, E.G., PLANING HULLS {7}
274  DF  .~ Having hydrofoil {4}
275  DF  .~.~ With control means responsive to sensed condition {2}
276.~.~.~ Having feeler means

DEFINITION

Classification: 114/276

(under subclass 275) Device wherein the vessel is provided with a signal generating means which has a member which rides on or adjacent the surface of the water and which gauges the relative distance between the vessel's hull and the water's surface.