1348236

Information

• Patent Grant
• 1348236

• References
• Source

• Patent Number

  1,348,236

• Date Filed

  Not available

• Date Issued

  Tuesday, August 3, 1920
  104 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