US PATENT SUBCLASS 52 / 158
.~ Laterally held, translating driven piercer

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

155  DF  PIERCING OR EXPANDING EARTH ANCHOR {7}
158.~ Laterally held, translating driven piercer

DEFINITION

Classification: 52/158

(under subclass 155) Structure in which a piercing element is attached outside of the anchored structure with the pierce being mounted for translatory movement relative to the anchored structure when it is driven into the earth.