3868845

Information

• Patent Grant
• 3868845

• References
• Source

• Patent Number

  3,868,845

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1975
  50 years ago

• CPC

  • G04D7/1207 - only for measuring

• US Classifications

  • 073 - Measuring and testing
  • 081 - Tools
  • 368 - Horology: time measuring systems or devices
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
  • 968 - Horology