US PATENT SUBCLASS 361 / 119
.~.~.~ In communication systems

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

1  DF  SAFETY AND PROTECTION OF SYSTEMS AND DEVICES {32}
117  DF  .~ High voltage dissipation (e.g., lightning arrester) {10}
118  DF  .~.~ Surge prevention (e.g., choke coil) {1}
119.~.~.~ In communication systems

DEFINITION

Classification: 361/119

In communication systems:

(under subclass 118) Subject matter specifically for the protection of communication systems (e.g., radio, T.V., etc.).