3808905

Information

• Patent Grant
• 3808905

• References
• Source

• Patent Number

  3,808,905

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • G04C1/067 - by stepping rotating movement
  • G04B13/00 - Gearwork
  • G04C3/00 - Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
  • Y10T74/19828 - Worm

• US Classifications

  • 074 - Machine element or mechanism
  • 968 - Horology