US PATENT SUBCLASS 219 / 73.2
.~.~.~ With granular flux supply

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

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
72  DF  .~ Nonatmospheric environment at hot spot (e.g., resistance weld under oil, vacuum) {2}
73  DF  .~.~ Slag (e.g., submerged arc) {2}
73.2.~.~.~ With granular flux supply {1}
73.21  DF  .~.~.~.~> For deposition welding

DEFINITION

Classification: 219/73.2

With granular flux supply:

(under subclass 73) Subject matter including means for depositing particulate weld protection material.