US PATENT SUBCLASS 379 / 108.01
.~ Telegraphy

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

90.01  DF  TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) {8}
108.01.~ Telegraphy {1}
108.02  DF  .~.~> Over telephone line

DEFINITION

Classification: 379/108.01

Telegraphy:

(under subclass 90.01) Subject matter for transmitting a telephone signal over a telegraph circuit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

93+, for transmission of a digital message signal over telephone equipment.

SEE OR SEARCH CLASS

178, Telegraphy,

79+, for transmitters and subclasses 118+ for receivers.

370, Multiplex Communications,

214, for simultaneous telegraphy and telephony.