US PATENT SUBCLASS 257 / 602
.~ With specified housing or contact

Current as of: June, 1999
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257 /   HD   ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)

595  DF  VOLTAGE VARIABLE CAPACITANCE DEVICE {6}
602.~ With specified housing or contact

DEFINITION

Classification: 257/602

With specified housing or contact:

(under subclass 595) Subject matter wherein the device is provided with a specific housing (structure to protect the device from the environment) or electrical contact structure.