US PATENT SUBCLASS 299 / 81.3
.~.~ Nozzle or seal details

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

79.1  DF  CUTTER TOOTH OR TOOTH HEAD {17}
81.1  DF  .~ Cleansing fluid passage {2}
81.3.~.~ Nozzle or seal details

DEFINITION

Classification: 299/81.3

Nozzle or seal details:

(under subclass 81.1) Cleansing fluid passage having a particular type of projecting vent or fluid-tight joint.