3440532

Information

• Patent Grant
• 3440532

• References
• Source

• Patent Number

  3,440,532

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1969
  55 years ago

• CPC

  • G01P3/56 - for comparing two speeds
  • G01P3/505 - by using eddy currents
  • G01P13/045 - with speed indication

• US Classifications

  • 324 - Electricity: measuring and testing
  • 073 - Measuring and testing