US PATENT SUBCLASS 211 / 173
.~.~ Vertically adjustable

Current as of: June, 1999
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211 /   HD   SUPPORTS: RACKS

168  DF  PIVOTED SUPPORT {3}
170  DF  .~ Horizontal axis {2}
173.~.~ Vertically adjustable

DEFINITION

Classification: 211/173

(under subclass 170) Devices in which there is also means for vertical adjustment.