US PATENT SUBCLASS 299 / 9
.~ Material mined or excavated underwater

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}
9.~ Material mined or excavated underwater

DEFINITION

Classification: 299/9

(under subclass 7) Subject matter which the material is removed from a submerged location.

SEE OR SEARCH CLASS

37, Excavating,

307+, for dredgers.