1341492

Information

• Patent Grant
• 1341492

• References
• Source

• Patent Number

  1,341,492

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1920
  105 years ago

• CPC

  • H02J7/18 - due to variation of ohmic resistance in field circuit, using resistance switching in or out of circuit step by step

• US Classifications

  • 320 - Electricity: battery or capacitor charging or discharging
  • 322 - Electricity: single generator systems