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Telephone alarm contact protecting device

  • US 3,207,849 A
  • Filed: 10/19/1959
  • Issued: 09/21/1965
  • Est. Priority Date: 10/19/1959
  • Status: Expired due to Term
First Claim
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2. FOR AN ELECTRICALLY OPERATED ALARM STRUCTURE WITH TRIGGERING AND OPERAING COMPONENTS ASSOCIATED WITH A SOURCE OF ELECTRIC POWER AND ACTUATED BY AN ALARMS TRIGGERING OCCURRENCE AND HAVING MEANS FOR OPERATING AUTOMATICALLY A TELEPHONE APPARATUS AND INCLUDING AN ELECTRIC MEANS RESPONSIVE TO THE ALARM TRIGGERING OCCURRENCE FOR CLOSING THE TELEPHONE TRANSMITTER SWITCH, AND IN CONJUNCTION WITH A TELEPHONE SYSTEM ALLOWING THE CLOSING OF THE SUBSCRIBER'"'"''"'"'S TELEPHONE TRANSMITTER SWITCH FOR AN UNRESTRICTED PERIOD PRIOR TO OPERATING THE TELEPHONE DIGIT MECHANISM FOR REACHING AN OUTSIDE TELEPHONE NUMBER, AN ELECTRICALLY OPERATED DEVICE FOR PREVENTING THE ENGAGEMENT FROM OUTSIDE OF THE SUBSCRIBER'"'"''"'"'S TELEPHONE LINE PRIOR TO THE ALARM TRIGGERING OCCURRENCE AND COMPRISING A CONDUCTIVE MEANS WITH A PLURALITY OF ELECTRIC TERMINALS REMOVED FROM EACH OTHER FOR ELECTRIC CIRCUIT CONNECTIONS;

  • AN ELECTRIC CIRCUIT MEANS FOR CONNECTING ONE OF SAID TERMINALS WITH THE SOURCE OF

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