US PATENT SUBCLASS 52 / 726.2
.~.~ Beam

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}
726.1  DF  .~ End-to-end connected sections {2}
726.2.~.~ Beam

DEFINITION

Classification: 52/726.2

Beam:

(under subclass 726.1) Subject matter wherein the shaft is intended to be used, when in place, as a horizontal, elongate, load supporting unit.