3781682

Information

• Patent Grant
• 3781682

• References
• Source

• Patent Number

  3,781,682

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  51 years ago

• CPC

  • G01R19/16571 - comparing AC or DC current with one threshold
  • G01R15/188 - comprising rotatable parts
  • G01R19/15 - Indicating the presence of current

• US Classifications

  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical