US PATENT SUBCLASS 219 / 116
.~.~.~ With transformer

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

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
78.01  DF  .~ For bonding with pressure (e.g., resistance welding) {16}
108  DF  .~.~ Systems of current supply {7}
116.~.~.~ With transformer

DEFINITION

Classification: 219/116

(under subclass 108) Subject matter having a transformer.

SEE OR SEARCH CLASS

323, Electricity: Power Supply or Regulation Systems,

355, for miscellaneous transformer systems.

336, Inductor Devices, appropriate subclasses, for transformers, per se.