US PATENT SUBCLASS 144 / 24.1
.~ Log punching

Current as of: June, 1999
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144 /   HD   WOODWORKING

2.1  DF  SPECIAL-WORK MACHINE {34}
24.1.~ Log punching {1}
24.11  DF  .~.~> And expanding

DEFINITION

Classification: 144/24.1

Log punching:

(under subclass 2.1) Machine intended to pierce radially through a log*.