2291455

Information

• Patent Grant
• 2291455

• References
• Source

• Patent Number

  2,291,455

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1942
  82 years ago

• CPC

  • G04B17/06 - Oscillators with hairsprings
  • G04D3/0038 - for balances
  • Y10T29/49481 - Wheel making
  • Y10T29/49581 - having arbor, pinion, or balance

• US Classifications

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