3854277

Information

• Patent Grant
• 3854277

• References
• Source

• Patent Number

  3,854,277

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1974
  50 years ago

• CPC

  • G04G5/02 - by temporarily changing the number of pulses per unit time
  • G04F10/04 - by counting pulses or half-cycles of an alternating current
  • G04G9/107 - provided with means for displaying at will a time indication or a date or a part thereof

• US Classifications

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