3387200

Information

• Patent Grant
• 3387200

• References
• Source

• Patent Number

  3,387,200

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1968
  57 years ago

• CPC

  • G01R19/14 - Indicating direction of current Indicating polarity of voltage
  • H02J7/027 - with safety or indicating device
  • Y10S320/20 - Polarity
  • Y10S320/22 - Line impedance

• US Classifications

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