US PATENT SUBCLASS 361 / 780
.~.~.~.~ Different voltage layers

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

600  DF  HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS {11}
679  DF  .~ For electronic systems and devices {15}
748  DF  .~.~ Printed circuit board {4}
760  DF  .~.~.~ Connection of components to board {9}
780.~.~.~.~ Different voltage layers

DEFINITION

Classification: 361/780

Different voltage layers:

(under subclass 760) Subject matter wherein the printed circuit board contains layers or strips having unequal electric potentials.