US PATENT SUBCLASS 180 / 120
.~.~ Integrated with working fluid

Current as of: June, 1999
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180 /   HD   MOTOR VEHICLES

116  DF  SURFACE EFFECT VEHICLES (I.E., GROUND EFFECT MACHINES) {7}
117  DF  .~ Having propulsion or control means {3}
120.~.~ Integrated with working fluid {2}
121  DF  .~.~.~> With plural cushions
122  DF  .~.~.~> With dynamic seal or fluid curtain

DEFINITION

Classification: 180/120

(under subclass 117) A vehicle wherein at least part of the working fluid is utilized as the propulsion or control means.