US PATENT SUBCLASS 222 / 592
.~ With heating or cooling

Current as of: June, 1999
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222 /   HD   DISPENSING

591  DF  MOLTEN METAL DISPENSING {6}
592.~ With heating or cooling {1}
593  DF  .~.~> Heating

DEFINITION

Classification: 222/592

(under subclass 591) Apparatus provided with heat exchange means.

(1) Note. Heating a receptacle to either melt or maintain metal in a molten state is considered to be treating and proper subject matter for Class 266. However, heating at the nozzle or vicinity thereof of a receptacle to perfect the dispensing function is considered proper subject matter for Class 222.