US PATENT SUBCLASS 52 / 159
.~ Guided in plane normal to shaft

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

155  DF  PIERCING OR EXPANDING EARTH ANCHOR {7}
159.~ Guided in plane normal to shaft

DEFINITION

Classification: 52/159

(under subclass 155) Structure in which an anchoring component is mounted for movement in a plane normal to the principal longitudinal axis of an elongated rigid structure held thereby.