US PATENT SUBCLASS 144 / 24.18
.~ Ladder making


Current as of: June, 1999
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144 /   HD   WOODWORKING

2.1  DF  SPECIAL-WORK MACHINE {34}
24.18.~ Ladder making


DEFINITION

Classification: 144/24.18

Ladder making:

(under subclass 2.1) Machine intended to construct a portable member intended to be climbed.