US PATENT SUBCLASS 219 / 145.23
.~.~ Flux coated

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

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
145.1  DF  .~ Weld rod structure {4}
145.23.~.~ Flux coated {2}
145.31  DF  .~.~.~> Partially
145.32  DF  .~.~.~> With wire wrap

DEFINITION

Classification: 219/145.23

Flux coated:

(under subclass 145.1) Subject matter wherein a granular arc shielding material covers the outer surface of filler metal.

(1) Note. A weld rod defined merely as a flux-coated rod is not classified herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

146.3+, for composition of flux.