73049232
Apr 11, 1975
Jun 13, 1978
Active Trademark
INSTALLATION AND MAINTENANCE OF A HOME EMERGENCY ALARM SERVICE IN THE NATURE OF A CENTRAL SERVICE STATION TO WHICH SUBSCRIBERS ARE CONNECTED BY AN AUTOMATIC TELEPHONE CALL UNIT WHICH CALLS AUTOMATICALLY IF THE UNIT IS NOT RESET DURING A PREDETERMINED INTERVAL OF TIME OR IF A SWITCH ON THE UNIT IS MANUALLY ACTIVATED
Building Construction and Repair