303660

Information

• Patent Grant
• 303660

• References
• Source

• Patent Number

  303,660

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1884
  140 years ago

• CPC

  • G04B3/02 - Removably-mounted keys or the like

• US Classifications

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