3478205

Information

• Patent Grant
• 3478205

• References
• Source

• Patent Number

  3,478,205

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1969
  55 years ago

• CPC

  • G01N27/66 - and measuring current or voltage
  • H01J41/08 - with ionisation by means of radioactive substances

• US Classifications

  • 073 - Measuring and testing
  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices
  • 324 - Electricity: measuring and testing
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems