3577876

Information

• Patent Grant
• 3577876

• References
• Source

• Patent Number

  3,577,876

• Date Filed

  Not available

• Date Issued

  Tuesday, May 11, 1971
  53 years ago

• CPC

  • G04C21/34 - Devices on watches or similar portable timepieces
  • G04G13/021 - Details

• US Classifications

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