US PATENT SUBCLASS 52 / 223.5
.~.~ Composed of stacked sections

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

223.1  DF  WITH COMPONENT HAVING DISCRETE PRESTRESSING MEANS {7}
223.4  DF  .~ Axially loaded vertical structure (e.g., column, derrick) {1}
223.5.~.~ Composed of stacked sections

DEFINITION

Classification: 52/223.5

Composed of stacked sections:

(under subclass 223.4) Upright structure which is made up of a plurality of preformed sections placed one on top of the other.