US PATENT SUBCLASS 52 / 156
.~ Disparate subterranean anchor components

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

155  DF  PIERCING OR EXPANDING EARTH ANCHOR {7}
156.~ Disparate subterranean anchor components

DEFINITION

Classification: 52/156

(under subclass 155) Structure in which the below-ground components are discrete units each differing in kind and acting to prevent or retard translatory withdrawal or swinging movement of the structure as a whole after final positioning.