3184909

Information

• Patent Grant
• 3184909

• References
• Source

• Patent Number

  3,184,909

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1965
  59 years ago

• CPC

  • G04C15/00 - Clocks driven by synchronous motors
  • G04B13/007 - with differential work
  • G04B19/02 - Back-gearing arrangements between gear train and hands
  • G04B27/00 - Mechanical devices for setting the time indicating means
  • G04B35/00 - Adjusting the gear train
  • G04C9/08 - by electric drive
  • Y10T74/19121 - Concentric
  • Y10T74/19623 - Backlash take-up

• US Classifications

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