US PATENT SUBCLASS 219 / 76.12
.~.~ Of multiple distinct layers

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

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
76.1  DF  .~ For deposition welding (e.g., coating or building up) {6}
76.12.~.~ Of multiple distinct layers

DEFINITION

Classification: 219/76.12

Of multiple distinct layers:

(under subclass 76.1) Subject matter wherein the deposited weld material is a composite of separate strata.

(1) Note. The layers are usually, but not necessarily, dissimilar in composition.