1682461

Information

• Patent Grant
• 1682461

• References
• Source

• Patent Number

  1,682,461

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1928
  97 years ago

• CPC

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

• US Classifications

  • 290 - Prime-mover dynamo plants
  • 073 - Measuring and testing
  • 307 - Electrical transmission or interconnection systems
  • 318 - Electricity: motive power systems
  • 322 - Electricity: single generator systems
  • 361 - Electricity: electrical systems and devices
  • 968 - Horology