1881392

Information

• Patent Grant
• 1881392

• References
• Source

• Patent Number

  1,881,392

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1932
  92 years ago

• CPC

  • H03J1/185 - the auxiliary power producing an adjustment dependent on the current intensity

• US Classifications

  • 455 - Telecommunications
  • 318 - Electricity: motive power systems