US PATENT SUBCLASS 52 / 732.3
.~.~.~ Upright

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}
730.1  DF  .~ Longitudinally related striplike sections {5}
732.1  DF  .~.~ Forms hollow enclosure {2}
732.3.~.~.~ Upright

DEFINITION

Classification: 52/732.3

Upright:

(under subclass 732.1) Subject matter wherein the longitudinal axis of the hollow shaft is vertical when in its final position.