2649684

Information

• Patent Grant
• 2649684

• References
• Source

• Patent Number

  2,649,684

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1953
  71 years ago

• CPC

  • G04D1/047 - on the coil roll

• US Classifications

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