204150

Information

• Patent Grant
• 204150

• References
• Source

• Patent Number

  204,150

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1878
  147 years ago

• CPC

  • G04B11/024 - rotatable about a fixed axis by means of spring action

• US Classifications

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