3715658

Information

• Patent Grant
• 3715658

• References
• Source

• Patent Number

  3,715,658

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1973
  52 years ago

• CPC

  • G01R5/04 - with magnet external to the coil

• US Classifications

  • 324 - Electricity: measuring and testing
  • 116 - Signals and indicators