US PATENT SUBCLASS 379 / 217
.~ Audible paging
Current as of:
June, 1999
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379 /
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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.