US PATENT SUBCLASS 248 / 669
.~.~ Vertical movement

Current as of: June, 1999
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248 /   HD   SUPPORTS

637  DF  MACHINERY SUPPORT {15}
646  DF  .~ Movable machine {10}
669.~.~ Vertical movement

DEFINITION

Classification: 248/669

Vertical movement:

(under subclass 646) Structure wherein the machine moves in a vertical direction.