1969520

Information

• Patent Grant
• 1969520

• References
• Source

• Patent Number

  1,969,520

• Date Filed

  Not available

• Date Issued

  Tuesday, August 7, 1934
  90 years ago

• CPC

  • H02K27/04 - having single-phase operation in series or shunt connection

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes
  • 310 - Electrical generator or motor structure
  • 318 - Electricity: motive power systems