US PATENT SUBCLASS 144 / 21
.~ Disk cutting

Current as of: June, 1999
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144 /   HD   WOODWORKING

2.1  DF  SPECIAL-WORK MACHINE {34}
21.~ Disk cutting {2}
23  DF  .~.~> By rotary tubular cutter
24  DF  .~.~> By sweep cutter

DEFINITION

Classification: 144/21

Disk cutting:

(under subclass 2.1) Machine adapted to cut out or otherwise shape a very short cylinder.

(1) Note. The machine of this subclass is commonly used to make a cork, bung, etc.