US PATENT SUBCLASS 248 / 418
.~.~.~ With means to limit or inhibit rotation

Current as of: June, 1999
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248 /   HD   SUPPORTS

127  DF  STAND {14}
158  DF  .~ Standard type {4}
415  DF  .~.~ Support surface revolves or rotates about vertical axis {3}
418.~.~.~ With means to limit or inhibit rotation

DEFINITION

Classification: 248/418

(under subclass 415) Device provided with means to selectively prevent or resist the rotation of the support surface.