1313323

Information

• Patent Grant
• 1313323

• References
• Source

• Patent Number

  1,313,323

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1919
  105 years ago

• CPC

  • H05B37/0236 - by detection of audible sound
  • Y10S200/16 - Gas detector

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 200 - Electricity: circuit makers and breakers
  • 337 - Electricity: electrothermally or thermally actuated switches
  • 340 - Communications: electrical
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing