US PATENT SUBCLASS 114 / 288
.~ Having fluid channeling or entrapping configuration

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}
288.~ Having fluid channeling or entrapping configuration {2}
289  DF  .~.~> With fluid introducing means
290  DF  .~.~> Plural channels

DEFINITION

Classification: 114/288

(under subclass 271) Device wherein the hull of the vessel is either so contoured or accessories are so attached thereto that (a) a groove-like configuration is formed in the bottom of the vessel which runs generally parallel to the keel, or (b) a space is formed within which a gas or liquid is captured or confined, whereby a lifting force is generated as fluid either courses through the groove or is captured in the fluid confining space.