3824539

Information

• Patent Grant
• 3824539

• References
• Source

• Patent Number

  3,824,539

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1974
  50 years ago

• CPC

  • B60R25/1007 - comprising associated circuitry
  • B60R25/1003 - Alarm systems characterised by arm or disarm features
  • B60R2025/1013 - Alarm systems characterised by the type of warning signal

• US Classifications

  • 340 - Communications: electrical
  • 200 - Electricity: circuit makers and breakers