US PATENT SUBCLASS 52 / 659
.~ Embedded-type free, discrete elements; e.g., set or rings

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}
659.~ Embedded-type free, discrete elements; e.g., set or rings

DEFINITION

Classification: 52/659

(under subclass 633) Structure including a group of members which are free to move with respect to each other but which in use are disposed in an embedding mass in intermeshing or intersecting relationship.

SEE OR SEARCH THIS CLASS, SUBCLASS:

663, for a fabric or lattice type openwork wherein members are fixedly related to other members surrounding them.