2646661

Information

• Patent Grant
• 2646661

• References
• Source

• Patent Number

  2,646,661

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1953
  71 years ago

• CPC

  • G04B9/02 - Devices controlled by such state

• US Classifications

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