US PATENT SUBCLASS 219 / 722
.~.~ Interlock circuitry and structure

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

678  DF  MICROWAVE HEATING {15}
702  DF  .~ With control system {8}
722.~.~ Interlock circuitry and structure {2}
723  DF  .~.~.~> With additional safety feature
724  DF  .~.~.~> With latch assembly

DEFINITION

Classification: 219/722

Interlock circuitry and structure:

(under subclass 702) Subject matter wherein a device controls deenergizing a power source by opening a door handle or an access cover of a microwave heating apparatus.

SEE OR SEARCH THIS CLASS, SUBCLASS:

739, for a microwave heating device with a door assembly for leakage prevention.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

50.01+, for interlocking switch.

307, Electrical Transmission or Interconnection Systems, 112+, for switching systems.