US PATENT SUBCLASS 52 / 649.8
.~.~.~ Spacer-positioner

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}
648.1  DF  .~ Three-dimensional space-defining {9}
649.1  DF  .~.~ Reinforcement for settable material {2}
649.8.~.~.~ Spacer-positioner

DEFINITION

Classification: 52/649.8

Spacer-positioner:

(under subclass 649.1) Structure including means projecting outwardly of the defined space functioning to space the construction from a base, casting mold, or the like.

SEE OR SEARCH THIS CLASS, SUBCLASS:

649.7, for a spacer-positioner in a rebar lattice for a beam, girder, column, etc.

677, for a spacer-positioner for a single rod (e.g., a concrete rod support known in the art as a "chair").