2654990

Information

• Patent Grant
• 2654990

• References
• Source

• Patent Number

  2,654,990

• Date Filed

  Not available

• Date Issued

  Tuesday, October 13, 1953
  71 years ago

• CPC

  • G04B31/0082 - with jewel hole and cap jewel

• US Classifications

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