US PATENT SUBCLASS 52 / 79.13
.~.~ Distinct vertical tie

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

79.1  DF  PREASSEMBLED SUBENCLOSURE OR SUBSTRUCTURE SECTION(S) OF UNIT OR BUILDING {8}
79.9  DF  .~ With retaining or attaching means {3}
79.13.~.~ Distinct vertical tie

DEFINITION

Classification: 52/79.13

(under subclass 79.9) Structure wherein a plurality of occupiable sub-enclosures or building units are superposed, one above the other, and are attached by a separate and distinct vertical tie member.