292807

Information

• Patent Grant
• 292807

• References
• Source

• Patent Number

  292,807

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1884
  141 years ago

• CPC

  • G08B13/08 - by opening
  • Y10S200/12 - Burglar screens

• US Classifications

  • 200 - Electricity: circuit makers and breakers