73279214
Sep 25, 1980
Sep 21, 1982
Electrical Signalling and Communication Systems and Equipment-Namely, Fire Alarm Apparatus; Heat and Smoke Detectors; Ionization Detectors; Photocell Detectors; Waterflow Switches; Control Panels; Electrical Code and Signalling Apparatus-Namely, Bells, Horns, Buzzers, Gongs, Sirens, Howlers, Speakers, Annunciators; Battery Elminators; Transformers; Relays; Switches; Electrical Outlet Boxes; Electrical Push Buttons; Elevator Electrical Signalling Apparatus; Electric and Magnetic Door Closers, Openers, and Holders; Master Intercom Units; Remote Control Hand Sets; Amplifiers; Hospital Communication Systems-Namely, Electrical Audio/Visual Nurse Call Apparatus and Control Units, Power Supplies, Emergency Call Switches, Bedside Switches, Electrical Speaker, Calling and Signalling Lamp Annunciators; Rotary and Revolving Signal and Warning Lamps; Flashing Lamps (Warning Lights); Time Lapse Indicators; and Parts Thereof
Electrical and Scientific Apparatus