US PATENT SUBCLASS 144 / 341
.~.~.~ Mechanically (e.g., by engaging a friction, impacting, cutting member)

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.~.~.~ Mechanically (e.g., by engaging a friction, impacting, cutting member) {1}
342  DF  .~.~.~.~> With pretreating

DEFINITION

Classification: 144/341

Mechanically (e.g., by engaging a friction, impact, or cutting member):

(under subclass 340) Process wherein the external rind or outer sheath is separated by physically contacting the tree or log with an instrument.