US PATENT SUBCLASS 446 / 155
.~.~ For buoyancy control

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

153  DF  AQUATIC {3}
154  DF  .~ Including remote control means or tether {1}
155.~.~ For buoyancy control

DEFINITION

Classification: 446/155

For buoyancy control:

(under subclass 154) Device wherein means are provided to operate at a distance from the boat, a control means by which the tendency of the boat to float or rise in the water can be altered.