US PATENT SUBCLASS 219 / 438
.~.~ With vessel

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

200  DF  HEATING DEVICES {14}
385  DF  .~ Combined with container, enclosure, or support for material to be heated {12}
438.~.~ With vessel {3}
439  DF  .~.~.~> With heat storage or transfer means
440  DF  .~.~.~> With pressure generating or maintaining means (e.g., pressure cooker)
441  DF  .~.~.~> With temperature or current control means {1}

DEFINITION

Classification: 219/438

(under subclass 385) Subject matter comprising only a vessel and associated heater.

SEE OR SEARCH THIS CLASS, SUBCLASS:

429+, for vessel combined with significant stand structure.