US PATENT SUBCLASS 299 / 8
.~ Separation below surface of earth or water

Current as of: June, 1999
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299 /   HD   MINING OR IN SITU DISINTEGRATION OF HARD MATERIAL

7  DF  WITH SEPARATION OF MATERIALS {2}
8.~ Separation below surface of earth or water

DEFINITION

Classification: 299/8

(under subclass 7) Subject matter in which the components of the material are separated without first conveying the mined or excavated material above the surface of the earth in which it is naturally located or above the surface of a body of water beneath which it.