US PATENT SUBCLASS 219 / 137.63
.~.~.~.~ Having supply connection means (e.g., quick disconnect)

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}
137.2  DF  .~.~ With consumable electrode device {4}
137.31  DF  .~.~.~ Gun {7}
137.63.~.~.~.~ Having supply connection means (e.g., quick disconnect)

DEFINITION

Classification: 219/137.63

Having supply connection means (e.g., quick disconnect):

(under subclass 137.31) Subject matter including means to attach the nozzle to source of weld current or materials.