US PATENT SUBCLASS 175 / 103
.~ With above-ground means

Current as of: June, 1999
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175 /   HD   BORING OR PENETRATING THE EARTH

92  DF  WITH BELOW-GROUND TOOL DRIVE PRIME MOVER {11}
103.~ With above-ground means

DEFINITION

Classification: 175/103

(under subclass 92) Apparatus including means intended to function and remain above ground.