US PATENT SUBCLASS 52 / 737.3
.~.~ Wood/metal composite

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

720.1  DF  SHAFT (I.E., ELONGATED RIGID STRUCTURE) {15}
737.1  DF  .~ Girder, column, etc. {4}
737.3.~.~ Wood/metal composite

DEFINITION

Classification: 52/737.3

Wood/metal composite:

(under subclass 737.1) Structure wherein the shaft comprises the combination of wood and metal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

729.4, for an I-beam comprising wood and metal.