US PATENT SUBCLASS 446 / 451
.~.~ Plural wheels

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

431  DF  ROLLING OR TUMBLING (E.G., WHEELED) {16}
450  DF  .~ Including handle, rod or tether for physically guiding or propelling (e.g., trundle, hoop, etc.) {3}
451.~.~ Plural wheels

DEFINITION

Classification: 446/451

Plural wheels:

(under subclass 450) Device including a rolling portion which comprises a plurality of coaxially spaced discs, rings, or annuluses.