US PATENT SUBCLASS 327 / 429
.~.~.~ Four or more electrode solid-state device

Current as of: June, 1999
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327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

365  DF  GATING (I.E., SWITCHING INPUT TO OUTPUT) {12}
419  DF  .~ Utilizing three or more electrode solid-state device {7}
427  DF  .~.~ Field-effect transistor {5}
429.~.~.~ Four or more electrode solid-state device

DEFINITION

Classification: 327/429

Four or more electrode solid-state device:

(under subclass 427) Subject matter including a semiconductor device containing four or more elements that emit or collect electrons or holes, or that control their movements by an applied electrical field.