2427729

Information

• Patent Grant
• 2427729

• References
• Source

• Patent Number

  2,427,729

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1947
  77 years ago

• CPC

  • H02J7/20 - due to variation of continuously variable ohmic resistor

• US Classifications

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