US PATENT SUBCLASS 219 / 162
.~ 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}
162
.~ Methods
DEFINITION
Classification: 219/162
(under subclass 50) Methods.
SEE OR SEARCH THIS CLASS, SUBCLASS:
58, for wire, rod or bar electric heating methods.
83, for electric pressure bonding methods utilizing roller electrodes.
91.1+, for miscellaneous spot pressure electric bonding methods.
96, for percussive electric bonding methods. 99, 100, for flash electric bonding methods.
104+, for butt electric bonding methods.
117.1+, for miscellaneous pressure electric bonding methods.
137, for arc welding methods.
603+, for induction heating.
