502884

Information

• Patent Grant
• 502884

• References
• Source

• Patent Number

  502,884

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1893
  131 years ago

• CPC

  • G04B1/105 - having a form other than a helix

• US Classifications

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