US PATENT SUBCLASS 37 / 327
.~.~.~.~ Specific cutterhead structure

Current as of: June, 1999
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37 /   HD   EXCAVATING

307  DF  BENEATH A BODY OF WATER (E.G., DREDGER) {11}
317  DF  .~ Suction {8}
324  DF  .~.~ Including driven digger adjacent suction inlet (e.g., cutterhead dredger) {3}
326  DF  .~.~.~ Rotary {4}
327.~.~.~.~ Specific cutterhead structure {1}
328  DF  .~.~.~.~.~> Including distinct tooth or tooth mounting

DEFINITION

Classification: 37/327

Specific cutterhead structure:

(under subclass 326) Apparatus further including particular recitation of a discrete digger or an attachment on a digging edge or surface of such digger.