3757217

Information

• Patent Grant
• 3757217

• References
• Source

• Patent Number

  3,757,217

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1973
  51 years ago

• CPC

  • G01R5/04 - with magnet external to the coil
  • G01R1/28 - Provision in measuring instruments for reference values
  • G01R11/02 - Constructional details

• US Classifications

  • 324 - Electricity: measuring and testing