US PATENT SUBCLASS 299 / 17
.~.~ Jetting (e.g., hydraulic mining)

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

10  DF  PROCESSES {7}
16  DF  .~ Breaking down by direct contact with fluid {1}
17.~.~ Jetting (e.g., hydraulic mining)

DEFINITION

Classification: 299/17

(under subclass 16) Process in which direct fluid action is impacting against the material.

SEE OR SEARCH CLASS

175, Boring or Penetrating the Earth,

67, and see the search there noted for a process of boring by fluid erosion.

239, Fluid Sprinkling, Spraying, and Diffusing,

1+, for a process involving a fluid jet.