1440059

Information

• Patent Grant
• 1440059

• References
• Source

• Patent Number

  1,440,059

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1922
  102 years ago

• CPC

  • G04B31/0087 - with jewel hole only

• US Classifications

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