1434838

Information

• Patent Grant
• 1434838

• References
• Source

• Patent Number

  1,434,838

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1922
  102 years ago

• CPC

  • G04B29/022 - Bridges
  • Y10T29/49579 - Watch or clock making

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 029 - Metal working
  • 968 - Horology