US PATENT SUBCLASS 52 / 740.9
.~.~ Axially twisted

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}
740.1  DF  .~ Tension member (e.g., re-bar) {5}
740.9.~.~ Axially twisted

DEFINITION

Classification: 52/740.9

Axially twisted:

(under subclass 740.1) Structure which is twisted about its longitudinal axis to present a generally helical shape or edge.

SEE OR SEARCH THIS CLASS, SUBCLASS:

740.8, for a sinuously curved rod.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles,

592, for metallic stock material which is helical or has a helical component.