1445580

Information

• Patent Grant
• 1445580

• References
• Source

• Patent Number

  1,445,580

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1923
  101 years ago

• CPC

  • H02J7/048 - in response to degree of gas development in the battery
  • Y10S320/21 - State of charge of battery

• US Classifications

  • 320 - Electricity: battery or capacitor charging or discharging
  • 322 - Electricity: single generator systems
  • 324 - Electricity: measuring and testing
  • 429 - Chemistry: electrical current producing apparatus, product, and process