US PATENT SUBCLASS 219 / 56
.~ Wire, rod, or bar bonding

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

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
56.~ Wire, rod, or bar bonding {3}
56.1  DF  .~.~> Of wire leads {2}
57  DF  .~.~> Butt bonding (e.g., welding)
58  DF  .~.~> Methods

DEFINITION

Classification: 219/56

(under subclass 50) Subject matter relating to the bonding of wire or bar.

(1) Note. The wire, for example, may be part of a fabric mesh, or the bar may form a grating or a metal window.

SEE OR SEARCH THIS CLASS, SUBCLASS:

156, for mere electric heating of rods or bars.

SEE OR SEARCH CLASS

140, Wireworking, 112, for this subject matter not having significant welding.