US PATENT SUBCLASS 219 / 121.2
.~.~.~.~.~ 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}
121.12
DF
.~.~ Using electron beam {12}
121.18
DF
.~.~.~ Cutting {1}
121.19
DF
.~.~.~.~ Etching or trimming {1}
121.2
.~.~.~.~.~ Methods
DEFINITION
Classification: 219/121.2
Methods:
(under subclass 121.19) Subject matter including processes of cutting a workpiece.