2843999

Information

• Patent Grant
• 2843999

• References
• Source

• Patent Number

  2,843,999

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1958
  66 years ago

• CPC

  • G04B45/046 - the driving mechanism of the hands being invisible because of special shielding

• US Classifications

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