US PATENT SUBCLASS 392 / 389
.~.~.~ With crucible

Current as of: June, 1999
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392 /   HD   ELECTRIC RESISTANCE HEATING DEVICES

*  DD  HEATING DEVICES (CLASS 219 SUBCLASS 200) {11}
386  DF  .~ Vaporizer {7}
388  DF  .~.~ For metal vapor deposition {1}
389.~.~.~ With crucible

DEFINITION

Classification: 392/389

With crucible:

(under subclass 388) Subject matter wherein the vaporizer includes an evaporation vessel for containing the metallic substance to be evaporated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

403, for container with self-contained evaporant supply.

SEE OR SEARCH CLASS

118, Coating Apparatus,

726+, for crucible or evaporator structure.

432, Heating,

262+, for crucible.