652875

Information

• Patent Grant
• 652875

• References
• Source

• Patent Number

  652,875

• Date Filed

  Not available

• Date Issued

  Tuesday, July 3, 1900
  125 years ago

• CPC

  • G04C3/0335 - using conical pendulums

• US Classifications

  • 368 - Horology: time measuring systems or devices