3782169

Information

• Patent Grant
• 3782169

• References
• Source

• Patent Number

  3,782,169

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1974
  51 years ago

• CPC

  • G04D3/0041 - for coil-springs
  • G04B15/14 - Component parts or constructional details
  • G04B17/066 - Manufacture of the spiral spring
  • G04D3/0069 - for working with non-mechanical means
  • Y10T29/49579 - Watch or clock making
  • Y10T29/49581 - having arbor, pinion, or balance

• US Classifications

  • 073 - Measuring and testing
  • 029 - Metal working
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology