US PATENT SUBCLASS 446 / 443
.~ Having reversible drive

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

431  DF  ROLLING OR TUMBLING (E.G., WHEELED) {16}
443.~ Having reversible drive

DEFINITION

Classification: 446/443

Having reversible drive:

(under subclass 431) Device including a motor or power-transmitting means which can propel the rolling or tumbling means either forwards or backwards.