US PATENT SUBCLASS 219 / 408
.~.~.~ With resistance heating unit or units fixed enclosed by or located within heating area

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}
391  DF  .~.~ Oven type {12}
408.~.~.~ With resistance heating unit or units fixed enclosed by or located within heating area

DEFINITION

Classification: 219/408

(under subclass 391) Subject matter including significant fixed heating means enclosed by or permanently attached within the heating area of an oven type enclosure.