US PATENT SUBCLASS 219 / 121.44
.~.~.~.~ Methods


Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
121.11  DF  .~ By arc {16}
121.36  DF  .~.~ Using plasma {8}
121.39  DF  .~.~.~ Cutting {2}
121.44.~.~.~.~ Methods


DEFINITION

Classification: 219/121.44

Methods:

(under subclass 131.39) Subject matter relating to the process of eroding or abrading of a workpiece by a plasma torch.