US PATENT SUBCLASS 52 / 678
.~.~ Adjustable support

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

633  DF  OPENWORK; E.G., TRUSS, TRELLIS, GRILLE, SCREEN, FRAME, OR REBAR CHAIR {12}
677  DF  .~ Spacer-positioner; e.g., rebar chair {5}
678.~.~ Adjustable support

DEFINITION

Classification: 52/678

(under subclass 677) Structure including support means for adjusting the distance of a reinforcing member from a base.

SEE OR SEARCH THIS CLASS, SUBCLASS:

122.1+, for a hoist or handle means for raising or lowering a building relative to the earth or a barrier or load-bearing building component relative to another.