3496399

Information

• Patent Grant
• 3496399

• References
• Source

• Patent Number

  3,496,399

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1970
  55 years ago

• CPC

  • H01J41/14 - with ionisation by means of thermionic cathodes
  • H01J41/04 - with ionisation by means of thermionic cathodes

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems
  • 324 - Electricity: measuring and testing