538257

Information

• Patent Grant
• 538257

• References
• Source

• Patent Number

  538,257

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1895
  130 years ago

• CPC

  • G04B18/04 - Adjusting the beat of the pendulum, balance, or the like

• US Classifications

  • 368 - Horology: time measuring systems or devices