1504720

Information

• Patent Grant
• 1504720

• References
• Source

• Patent Number

  1,504,720

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1924
  100 years ago

• CPC

  • H02K17/22 - having rotor with windings connected to slip-rings

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 310 - Electrical generator or motor structure
  • 439 - Electrical connectors