3446958

Information

• Patent Grant
• 3446958

• References
• Source

• Patent Number

  3,446,958

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1969
  55 years ago

• CPC

  • H01J41/08 - with ionisation by means of radioactive substances
  • G01L21/30 - by making use of ionisation effects
  • G01L21/34 - using electric discharge tubes with cold cathodes
  • G01L21/36 - using radioactive substances
  • G01N27/66 - and measuring current or voltage
  • G01T1/185 - with ionisation chamber arrangements

• US Classifications

  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical