403999

Information

• Patent Grant
• 403999

• References
• Source

• Patent Number

  403,999

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1889
  135 years ago

• CPC

  • G04C13/065 - controlled by a pendulum or a balance
  • G04B15/10 - with constant impulses for the regulating mechanism

• US Classifications

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