1663710

Information

• Patent Grant
• 1663710

• References
• Source

• Patent Number

  1,663,710

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1928
  96 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
  • 116 - Signals and indicators
  • 968 - Horology