US PATENT SUBCLASS 446 / 174
.~.~ Wheeled element carrier

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

168  DF  INCLUDING UNATTACHED GRAVITY-FED ROLLING, TUMBLING, OR ENERGY-IMPARTING FALLING ELE ENT, OR PATHWAY THEREFOR (E.G., MARBLE RUNWAY) {4}
173  DF  .~ For moving element-supporting device {1}
174.~.~ Wheeled element carrier

DEFINITION

Classification: 446/174

Wheeled element carrier:

(under subclass 173) Device comprising an element supporting vehicle having a generally round ground-engaging part upon

which the vehicle is rolled by energy imparted to it by the unattached element.