US PATENT SUBCLASS 52 / 740.1
.~ Tension member (e.g., re-bar)

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.~ Tension member (e.g., re-bar) {5}
740.2  DF  .~.~> Embossed or dimpled
740.3  DF  .~.~> Ribbed {2}
740.6  DF  .~.~> Having projection which is one piece with shaft {1}
740.8  DF  .~.~> Sinuous curve type
740.9  DF  .~.~> Axially twisted

DEFINITION

Classification: 52/740.1

Tension member (e.g., re-bar):

(under subclass 720.1) Structure wherein the shaft is a thin bar or rod having tensile strength and which is intended to be used to increase tensile strength of a composite construction, usually in a settable material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

649.1+, for an openwork array or bundle of tension members.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles,

544+, for re-bar, per se.