393638

Information

• Patent Grant
• 393638

• References
• Source

• Patent Number

  393,638

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1888
  136 years ago

• CPC

  • G04B18/003 - by displacement of devices carried by the pendulum or by adjusting the pendulum length

• US Classifications

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