US PATENT SUBCLASS 439 / 74
.~.~ Overlying second preformed panel circuit, both adapted to be electrically connected

Current as of: June, 1999
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439 /   HD   ELECTRICAL CONNECTORS

55  DF  PREFORMED PANEL CIRCUIT ARRANGEMENT, E.G., PCB, ICM, DIP, CHIP, WAFER, ETC. {9}
65  DF  .~ With provision to conduct electricity from panel circuit to another panel circuit {4}
74.~.~ Overlying second preformed panel circuit, both adapted to be electrically connected {1}
75  DF  .~.~.~> Connected by transversely inserted pin

DEFINITION

Classification: 439/74

Overlying second preformed panel circuit, both adapted to be electrically connected:

(under subclass 65) Electrical connector combined with a second prefabricated sheetlike part on which circuit elements are preplaced and fixed, physically positioned above or below the first and adapted to be electrically connected to each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

44+, for similar structure allowing selection of circuits.