1782274

Information

• Patent Grant
• 1782274

• References
• Source

• Patent Number

  1,782,274

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1930
  93 years ago

• CPC

  • G04B19/2438 - driven or released by their own energy source which is released at regular time intervals

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology