1811791

Information

• Patent Grant
• 1811791

• References
• Source

• Patent Number

  1,811,791

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1931
  93 years ago

• CPC

  • G04B21/04 - Hour wheels Racks or rakes Snails or similar control mechanisms

• US Classifications

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