US PATENT SUBCLASS 52 / 223.6
.~ Slab or panel construction

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}
223.6.~ Slab or panel construction {1}
223.7  DF  .~.~> Composed of abutting modular panels or blocks

DEFINITION

Classification: 52/223.6

Slab or panel construction:

(under subclass 223.1) Preloaded structure which is an architectural element having a generally flat surface (e.g., wall, floor, or ceiling section) and is strengthened to overcome forces in either the vertical or horizontal direction.