US PATENT SUBCLASS 455 / 404
.~ Emergency or alarm communication

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

403  DF  RADIOTELEPHONE SYSTEM {12}
404.~ Emergency or alarm communication

DEFINITION

Classification: 455/404

Emergency or alarm communication:

(under subclass 403) Subject matter which includes summoning response to an urgent or hazardous situation over a radiotelephone.

SEE OR SEARCH CLASS

340, Communications: Electrical,

287+, for a signal box alarm arrangement.

379, Telephonic Communications,

37+, for an emergency or alarm communication in a landline telephone network.