US PATENT SUBCLASS 219 / 145.41
.~.~ Nonmetal cover

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}
145.41.~.~ Nonmetal cover

DEFINITION

Classification: 219/145.41

Nonmetal cover:

(under subclass 145.1) Subject matter including a sheath of a material other than metal.