1318369

Information

• Patent Grant
• 1318369

• References
• Source

• Patent Number

  1,318,369

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1919
  105 years ago

• CPC

  • G08B17/06 - Electric actuation of the alarm
  • Y10S246/02 - Thermal sensing devices

• US Classifications

  • 340 - Communications: electrical
  • 246 - Railway switches and signals