US PATENT SUBCLASS 114 / 290
.~.~ Plural channels

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  DF  .~ Having fluid channeling or entrapping configuration {2}
290.~.~ Plural channels

DEFINITION

Classification: 114/290

(under subclass 288) Device wherein a multiplicity of fluid conducting grooves are formed in the bottom of the hull.