US PATENT SUBCLASS 52 / 731.4
.~.~.~.~ 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}
731.1  DF  .~.~ Structural support {2}
731.2  DF  .~.~.~ Forms hollow enclosure (e.g., box beam) {3}
731.4.~.~.~.~ Upright {1}
731.5  DF  .~.~.~.~.~> Partition support (e.g., stud, furring, etc.)

DEFINITION

Classification: 52/731.4

Upright:

(under subclass 731.2) Subject matter wherein the longitudinal axis of the hollow shaft is vertical when in its final position.