2904739

Information

• Patent Grant
• 2904739

• References
• Source

• Patent Number

  2,904,739

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1959
  65 years ago

• CPC

  • H02J7/0024 - Parallel/serial switching of connection of batteries to charge or load circuit
  • Y10T307/538 - Tap-changing or variable number of cells

• US Classifications

  • 320 - Electricity: battery or capacitor charging or discharging
  • 307 - Electrical transmission or interconnection systems
  • 429 - Chemistry: electrical current producing apparatus, product, and process