US PATENT SUBCLASS 52 / 662
.~.~ Plural facially contacting layers

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}
660  DF  .~ Fabric or lattice; e.g., indeterminate grating {7}
662.~.~ Plural facially contacting layers

DEFINITION

Classification: 52/662

(under subclass 660) Structure in which plural and distinct surface forming means are arranged in a stacked facially contacting relationship.

SEE OR SEARCH THIS CLASS, SUBCLASS:

654.1, for a construction formed by parallel trellises held

by a disparate connection.