US PATENT SUBCLASS 379 / 117
.~.~ Of station on polystation or party line

Current as of: June, 1999
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379 /   HD   TELEPHONIC COMMUNICATIONS

111  DF  WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER) {3}
114  DF  .~ Call charge metering or monitoring {5}
117.~.~ Of station on polystation or party line {1}
118  DF  .~.~.~> Identification of station

DEFINITION

Classification: 379/117

Of station on polystation or party line:

(under subclass 114) Subject matter which determines a call

charge of a terminal on a party line

SEE OR SEARCH THIS CLASS, SUBCLASS:

177+, for a party line telephone system.