3549930

Information

• Patent Grant
• 3549930

• References
• Source

• Patent Number

  3,549,930

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  53 years ago

• CPC

  • H01J23/027 - Collectors
  • H01J19/28 - Non-electron-emitting electrodes Screens
  • H01J19/30 - characterised by the material
  • H01J19/34 - forming part of the envelope
  • H01J2893/0003 - Anodes forming part of vessel walls
  • H01J2893/0013 - Sealed electrodes
  • H01J2893/0021 - carbon

• US Classifications

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