3290874

Information

• Patent Grant
• 3290874

• References
• Source

• Patent Number

  3,290,874

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1966
  58 years ago

• CPC

  • G04C1/06 - winding-up springs
  • G04B17/02 - Oscillators acting by gravity

• US Classifications

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