654873

Information

• Patent Grant
• 654873

• References
• Source

• Patent Number

  654,873

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1900
  124 years ago

• CPC

  • G04B1/185 - Friction clutch between spring and spring cylinder

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 191 - Electricity: transmission to vehicles
  • 968 - Horology