3798528

Information

• Patent Grant
• 3798528

• References
• Source

• Patent Number

  3,798,528

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1974
  50 years ago

• CPC

  • H01M6/5061 - cells combined with sound indicating means
  • G01N29/024 - by measuring propagation velocity or propagation time of acoustic waves
  • H01M10/48 - Accumulators combined with arrangements for measuring, testing or indicating condition
  • H01M2200/20 - Pressure-sensitive devices

• US Classifications

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