3624883

Information

• Patent Grant
• 3624883

• References
• Source

• Patent Number

  3,624,883

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1971
  53 years ago

• CPC

  • G04B1/145 - Composition and manufacture of the springs
  • G04B17/066 - Manufacture of the spiral spring
  • G04B17/345 - Details of the spiral roll
  • G04D1/047 - on the coil roll
  • Y10T29/49579 - Watch or clock making
  • Y10T29/49609 - Spring making

• US Classifications

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