2164976

Information

• Patent Grant
• 2164976

• References
• Source

• Patent Number

  2,164,976

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1939
  85 years ago

• CPC

  • G04C1/062 - by oscillating movement

• US Classifications

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