US PATENT SUBCLASS 52 / 271
.~.~ Joint key between superimposed modules

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

261  DF  THREE-WAY CORNER CONSTRUCTION (E.G., TWO WALLS AND A FLOOR) {5}
270  DF  .~ Walls of modular construction {1}
271.~.~ Joint key between superimposed modules

DEFINITION

Classification: 52/271

(under subclass 270) Structure in which the modules are superimposed and keying means extend between adjacent surfaces of the modules.

SEE OR SEARCH THIS CLASS, SUBCLASS:

578+, for a module or panel with a discrete edgewise connecting feature, e.g., integral key or separate fastener.