3868074

Information

• Patent Grant
• 3868074

• References
• Source

• Patent Number

  3,868,074

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1975
  50 years ago

• CPC

  • G01R29/12 - Measuring electrostatic fields or voltage-potential
  • G01C9/18 - by using liquids
  • G01P3/42 - Devices characterised by the use of electric or magnetic means
  • G01P3/52 - by measuring amplitude of generated current or voltage
  • B64D2700/62271 - Roll, pitch or yaw indicators

• US Classifications

  • 244 - Aeronautics and astronautics
  • 318 - Electricity: motive power systems
  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical
  • 361 - Electricity: electrical systems and devices