US PATENT SUBCLASS 248 / 648
.~.~ Weight counterbalanced

Current as of: June, 1999
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248 /   HD   SUPPORTS

637  DF  MACHINERY SUPPORT {15}
646  DF  .~ Movable machine {10}
648.~.~ Weight counterbalanced

DEFINITION

Classification: 248/648

Weight counterbalanced:

(under subclass 646) Structure comprising a weight acting in opposition to the weight of the load to counterbalance the load.

SEE OR SEARCH THIS CLASS, SUBCLASS:

315, and 331, for adjustable suspended supports comprising counterweights.