1257368

Information

• Patent Grant
• 1257368

• References
• Source

• Patent Number

  1,257,368

• Date Filed

  Not available

• Date Issued

  Tuesday, February 26, 1918
  107 years ago

• CPC

  • G10K1/344 - for an oscillating bell which is driven once per cycle

• US Classifications

  • 116 - Signals and indicators