3886442

Information

• Patent Grant
• 3886442

• References
• Source

• Patent Number

  3,886,442

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1975
  50 years ago

• CPC

  • G01R31/3613 - without voltage measurement
  • G01R31/3675 - for compensating for temperature or ageing
  • G01R31/3682 - for indicating electrical conditions or variables
  • G01R31/3617 - using analog integrators
  • Y10S320/21 - State of charge of battery

• US Classifications

  • 324 - Electricity: measuring and testing
  • 320 - Electricity: battery or capacitor charging or discharging