2228681

Information

• Patent Grant
• 2228681

• References
• Source

• Patent Number

  2,228,681

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1941
  84 years ago

• CPC

  • G04B27/06 - with rocking bar

• US Classifications

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