US PATENT SUBCLASS 379 / 42
.~.~ Plural conditions

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

37  DF  EMERGENCY OR ALARM COMMUNICATIONS (E.G., WATCHMAN'S CIRCUIT) {9}
39  DF  .~ Responsive to sensed nonsystem condition {5}
42.~.~ Plural conditions

DEFINITION

Classification: 379/42

Plural conditions:

(under subclass 39) Subject matter wherein more than one emergency or alarm condition is detected (e.g., fire, intrusion, health hazard).