US PATENT SUBCLASS 108 / 37
.~ Counterbalanced surface

Current as of: June, 1999
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108 /   HD   HORIZONTALLY SUPPORTED PLANAR SURFACES

33  DF  WITH HOUSING {6}
37.~ Counterbalanced surface

DEFINITION

Classification: 108/37

(under subclass 33) Device having biasing means to move or assist in moving the surface to or from a housed inoperative position.

SEE OR SEARCH CLASS

5, Beds,

164.1+, for an upending bed having a counterbalancing spring, and subclass 166.1 for an upending bed having a counterbalancing weight.