US PATENT SUBCLASS 446 / 179
.~.~ Producing supporting air column or cushion

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}
178  DF  .~ Including motorized fan {1}
179.~.~ Producing supporting air column or cushion

DEFINITION

Classification: 446/179

(under subclass 178) Producing supporting air column or cushion: Device wherein the rotatable member forces air upwardly or downwardly to support the weight of the device or a portion thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

37+, for a movable rotary wing device.

SEE OR SEARCH CLASS

180, Motor Vehicles,

116+, for a full size ground-effect machine and toy machines wherein all claimed structure is suitable for use in a full size device.