1140631

Information

• Patent Grant
• 1140631

• References
• Source

• Patent Number

  1,140,631

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1915
  109 years ago

• CPC

  • G04B23/06 - adjustable for several preselected times with automatic stopping of the signal

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 200 - Electricity: circuit makers and breakers