1441389

Information

• Patent Grant
• 1441389

• References
• Source

• Patent Number

  1,441,389

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1923
  102 years ago

• CPC

  • A63H33/3066 - Watches or clocks
  • G04B33/00 - Calibers
  • Y10T29/49581 - having arbor, pinion, or balance

• US Classifications

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