1406511

Information

• Patent Grant
• 1406511

• References
• Source

• Patent Number

  1,406,511

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1922
  102 years ago

• CPC

  • G04B21/027 - with locking wheel

• US Classifications

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