US PATENT SUBCLASS 52 / 740.4
.~.~.~ Longitudinal


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}
740.3  DF  .~.~ Ribbed {2}
740.4.~.~.~ Longitudinal


DEFINITION

Classification: 52/740.4

Longitudinal:

(under subclass 740.3) Structure wherein the ridges or grooves extend parallel to the longitudinal axis of the rod.