US PATENT SUBCLASS 52 / 170
.~ Shaft reinforcement adjacent earth's surface

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

169.1  DF  SPECIFIED TERRANEAN RELATIONSHIP {11}
170.~ Shaft reinforcement adjacent earth's surface

DEFINITION

Classification: 52/170

(under subclass 169.1) Structure wherein an elongated rigid substantially upright member is provided with means defined as acting to reinforce it at or adjacent the earth's

surface.