74073157
Jun 27, 1990
Nov 17, 1992
fire detection, control, alarm and communications equipment; namely, computer control units, communications control units, input/output devices; namely, keyboard input units, display terminals, printers, input/output programming devices, transponders and computer programs for such equipment, heat detectors, smoke detectors and airduct detectors; telephone equipment; namely, signal actuators, jack receptacles, plug adapters and telephone stations; public address equipment; namely, amplifiers, microphones, speakers and prerecorded message units; contact devices; namely, magnetic switches, door trips, door light switches, door openers, door holders; timing apparatus; namely, controller units for clocks, and timers; miscellaneous electrical equipment; namely, power supplies; batteries, battery chargers, circuit breakers, electric cable, and hardware for use with the foregoing electrical equipment; namely, cabinets, panels, consoles, trims, doors, backboxes, covers and magnetic mounts
Electrical and Scientific Apparatus