US PATENT SUBCLASS 446 / 239
.~ Including corrugated support for imparting rotation

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

236  DF  ROTATING OR HAVING VISIBLE ROTATING PORTION (E.G., SPINNING OR WHIRLING, NOT ROLLING) {12}
239.~ Including corrugated support for imparting rotation

DEFINITION

Classification: 446/239

Including corrugated support for imparting rotation:

(under subclass 236) Device including a member having a series of alternating ridges and grooves along a surface and which supports the revolvable portion and causes its rotation through vibrations made by moving a second member along the ridges or grooves.