US PATENT SUBCLASS 446 / 201
.~.~ Including fluid-driven rotary blades

Current as of: June, 1999
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446 /   HD   AMUSEMENT DEVICES: TOYS

176  DF  OPERATED BY RELATIVELY MOVING FLUID OR PRESSURE DIFFERENTIAL {9}
199  DF  .~ For changing or moving figure or figure part {2}
201.~.~ Including fluid-driven rotary blades

DEFINITION

Classification: 446/201

Including fluid-driven rotary blades:

(under subclass 199) Device including a portion comprising a plurality of discrete elongated relatively thin fluid reaction surfaces circumferentially arranged about an axis about which they are caused to revolve by the energy of the fluid, wherein the portion is connected to the simulation or portion thereof to move the same.