3857234

Information

• Patent Grant
• 3857234

• References
• Source

• Patent Number

  3,857,234

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • G04F3/08 - Additional arrangements in connection with ordinary electric clocks for this purpose

• US Classifications

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