US PATENT SUBCLASS 175 / 102
.~ With below-ground conveyer or impeller for removal of cuttings

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}
102.~ With below-ground conveyer or impeller for removal of cuttings

DEFINITION

Classification: 175/102

(under subclass 92) Apparatus including means located within the bore for removing cuttings from the bore comprising either (1) an endless flexible carrier or (2) a means to induce fluent flow (e.g., pump or helical screw).

SEE OR SEARCH THIS CLASS, SUBCLASS:

324, and the search there noted, for other means to induce fluent flow including a pump.