2246301

Information

• Patent Grant
• 2246301

• References
• Source

• Patent Number

  2,246,301

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1941
  84 years ago

• CPC

  • H02P9/16 - due to variation of ohmic resistance in field circuit, using resistances switched in or out of circuit step by step

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 338 - Electrical resistors