US PATENT SUBCLASS 446 / 194
.~.~.~ Rotary or pivoted valve

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}
180  DF  .~ Including variable-size fluid chamber to move fluid {5}
188  DF  .~.~ Sounding {5}
194.~.~.~ Rotary or pivoted valve

DEFINITION

Classification: 446/194

Rotary or pivoted valve:

(under subclass 188) Device wherein the sound-emitting means is fluid actuated and a flow regulator is provided which comprises a member mounted to revolve or swing about an axis.