2369521

Information

• Patent Grant
• 2369521

• References
• Source

• Patent Number

  2,369,521

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1945
  79 years ago

• CPC

  • G08B25/12 - Manually actuated calamity alarm transmitting arrangements emergency non-personal manually actuated alarm, activators
  • Y10T83/121 - With means to accomplish delayed stopping after cessation of cyclic operation

• US Classifications

  • 346 - Recorders
  • 083 - Cutting
  • 178 - Telegraphy
  • 340 - Communications: electrical