3138916

Information

• Patent Grant
• 3138916

• References
• Source

• Patent Number

  3,138,916

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1964
  61 years ago

• CPC

  • G04B33/00 - Calibers
  • G04B33/10 - with seconds hand arranged in the centre of the dial

• US Classifications

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