3897700

Information

• Patent Grant
• 3897700

• References
• Source

• Patent Number

  3,897,700

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1975
  49 years ago

• CPC

  • G04B27/005 - stepwise or on determined values
  • Y10T74/19121 - Concentric
  • Y10T74/19516 - Spur

• US Classifications

  • 074 - Machine element or mechanism
  • 235 - Registers
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology