2843786

Information

• Patent Grant
• 2843786

• References
• Source

• Patent Number

  2,843,786

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1958
  66 years ago

• CPC

  • H01J21/10 - with one or more immovable internal control electrodes
  • H01J19/28 - Non-electron-emitting electrodes Screens
  • H01J19/30 - characterised by the material
  • H01J2893/0013 - Sealed electrodes
  • H01J2893/0019 - Chemical composition and manufacture

• US Classifications

  • 313 - Electric lamp and discharge devices