1984440

Information

• Patent Grant
• 1984440

• References
• Source

• Patent Number

  1,984,440

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1934
  90 years ago

• CPC

  • G04C15/0081 - Automatic stabilisation of net frequency with regard to time
  • Y10T307/852 - Frequency

• US Classifications

  • 322 - Electricity: single generator systems
  • 307 - Electrical transmission or interconnection systems
  • 318 - Electricity: motive power systems
  • 968 - Horology