3678374

Information

• Patent Grant
• 3678374

• References
• Source

• Patent Number

  3,678,374

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • G01R17/08 - in which a force or torque representing the measured value is balanced by a force or torque representing the reference value
  • G01P15/132 - with electromagnetic counterbalancing means
  • G05D3/10 - without using feedback

• US Classifications

  • 340 - Communications: electrical
  • 073 - Measuring and testing
  • 318 - Electricity: motive power systems
  • 324 - Electricity: measuring and testing