US PATENT SUBCLASS 219 / 121.44
.~.~.~.~ Methods
Current as of:
June, 1999
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219 /
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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.