US PATENT SUBCLASS 219 / 448.12
.~.~.~.~.~ Having microprocessor to control output of the heating device

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}
443.1  DF  .~.~ Exposed horizontal planar support surface for material to be heated (e.g., hot plate, etc.) {13}
446.1  DF  .~.~.~ Having sensor {2}
448.11  DF  .~.~.~.~ Responsive to temperature {4}
448.12.~.~.~.~.~ Having microprocessor to control output of the heating device

DEFINITION

Classification: 219/448.12

Having microprocessor to control output of the heating device:

(under subclass 448.11) Subject matter includes a computer processor contained on an integrated-circuit chip using input from the temperature sensor to regulate the thermal production of the heating device.