453637

Information

• Patent Grant
• 453637

• References
• Source

• Patent Number

  453,637

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1891
  133 years ago

• CPC

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

• US Classifications

  • 368 - Horology: time measuring systems or devices