1722333

Information

• Patent Grant
• 1722333

• References
• Source

• Patent Number

  1,722,333

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1929
  95 years ago

• CPC

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

• US Classifications

  • 116 - Signals and indicators
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology