US PATENT SUBCLASS 219 / 721
.~.~ Starting circuitry

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

678  DF  MICROWAVE HEATING {15}
702  DF  .~ With control system {8}
721.~.~ Starting circuitry

DEFINITION

Classification: 219/721

Starting circuitry:

(under subclass 702) Subject matter wherein a device controls the power supply at the beginning of the energization of a microwave heating apparatus.

SEE OR SEARCH CLASS

323, Electricity: Power Supply or Regulation Systems,

901, for starting circuit and subclass 908 for inrush current limiters.

361, Electricity: Electrical Systems and Devices, for control devices.

363, Electric Power Conversion Systems,

49, with starting arrangement.