US PATENT SUBCLASS 219 / 146.23
.~.~ Containing nickel, chromium, and iron

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

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
146.1  DF  .~ Weld rod composition {6}
146.23.~.~ Containing nickel, chromium, and iron

DEFINITION

Classification: 219/146.23

Containing nickel, chromium, and iron:

(under subclass 146.1) Subject matter wherein the electrode contains at least some quantity of each of nickel, chromium, and iron.