3678227

Information

• Patent Grant
• 3678227

• References
• Source

• Patent Number

  3,678,227

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • G04C1/06 - winding-up springs
  • G04C3/00 - Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
  • G04C13/12 - by continuously-rotating electric motors

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 968 - Horology