US PATENT SUBCLASS 144 / 342
.~.~.~.~ With pretreating

Current as of: June, 1999
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144 /   HD   WOODWORKING

329  DF  PROCESS {8}
335  DF  .~ Timber harvesting or processing {3}
340  DF  .~.~ Debarking {1}
341  DF  .~.~.~ Mechanically (e.g., by engaging a friction, impacting, cutting member) {1}
342.~.~.~.~ With pretreating

DEFINITION

Classification: 144/342

With pretreatmenting:

(under subclass 341) Process combined with subjecting the rind or sheath to the action of an agent, environment, or organism to facilitate its removal by the bark-removing instrument.