331119

Information

• Patent Grant
• 331119

• References
• Source

• Patent Number

  331,119

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1885
  139 years ago

• CPC

  • G01L19/12 - Alarms or signals
  • Y10S200/16 - Gas detector

• US Classifications

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