73206361
Mar 7, 1979
Jul 21, 1981
COMMERCIAL, INDUSTRIAL AND RESIDENTIAL SECURITY AND MONITORING SYSTEMS INCLUDING (A) BURGLAR ALARM SYSTEMS, FIRE ALARM SYSTEMS AND HEALTH EMERGENCY COMMUNICATIONS SYSTEMS, AND (B) PROCESS MONITORING ALARM SENSORS, SWITCHES, AUDIBLE ALARMS, SIGNAL TRANSMITTERS, SIGNAL RECEIVERS, TELEPHONE DIALERS, VISUAL ALARMS, CONDUCTIVE FOIL AND AUXILIARY POWER MEANS AND (C) COMPONENTS OF THE FOREGOING-NAMELY, (I) ELECTRICAL OR ELECTRONIC SWITCHES, (II) POSITION, PRESSURE, LIGHT OR THERMAL SENSORS, (III) ELECTRICAL OR ELECTRONIC CONTROLLERS, (IV) SIRENS, AND (V) ELECTRICAL OR ELECTRONIC COMMUNICATIONS PROCESSES
Electrical and Scientific Apparatus