2639577

Information

• Patent Grant
• 2639577

• References
• Source

• Patent Number

  2,639,577

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1953
  71 years ago

• CPC

  • G04B45/043 - the clockwork being positioned in the hands or pendulum

• US Classifications

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