2917671

Information

• Patent Grant
• 2917671

• References
• Source

• Patent Number

  2,917,671

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1959
  65 years ago

• CPC

  • H01J17/44 - having one or more control electrodes
  • H01J3/025 - Electron guns using a discharge in a gas or a vapour as electron source
  • H01J17/30 - Igniting arrangements
  • H01J2893/0061 - Tubes with discharge used as electron source

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices