US PATENT SUBCLASS 379 / 217
.~ Audible paging


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

201  DF  SPECIAL SERVICES {9}
217.~ Audible paging


DEFINITION

Classification: 379/217

Audible paging:

(under subclass 201) Subject matter which connects a telephone circuit to a loudspeaker system for summoning an individual.

SEE OR SEARCH CLASS

340, Communications: Electrical,

311.1, for a paging system.

381, Electrical Audio Signal Processing Systems and Devices,

75, for a megaphone and subclass 82 for a public address system.