251648

Information

• Patent Grant
• 251648

• References
• Source

• Patent Number

  251,648

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1881
  143 years ago

• CPC

  • G04B41/005 - holding and locking of the pendulum only

• US Classifications

  • 368 - Horology: time measuring systems or devices