3320739

Information

• Patent Grant
• 3320739

• References
• Source

• Patent Number

  3,320,739

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1967
  57 years ago

• CPC

  • G04C21/36 - Signal repeating devices

• US Classifications

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