1906439

Information

• Patent Grant
• 1906439

• References
• Source

• Patent Number

  1,906,439

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1933
  92 years ago

• CPC

  • H02J3/08 - Synchronising of networks
  • G04C15/0081 - Automatic stabilisation of net frequency with regard to time

• US Classifications

  • 324 - Electricity: measuring and testing
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology