3563026

Information

• Patent Grant
• 3563026

• References
• Source

• Patent Number

  3,563,026

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1971
  53 years ago

• CPC

  • G04C1/024 - winding-up springs

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 968 - Horology