2369812

Information

• Patent Grant
• 2369812

• References
• Source

• Patent Number

  2,369,812

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1945
  80 years ago

• CPC

  • G04C13/049 - by using current generating driving device
  • Y10T403/459 - Helical spring type coupling

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 403 - Joints and connections
  • 968 - Horology