458911

Information

• Patent Grant
• 458911

• References
• Source

• Patent Number

  458,911

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1891
  133 years ago

• CPC

  • G04B9/02 - Devices controlled by such state

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 185 - Motors: spring, weight, or animal powered
  • 968 - Horology