3299317

Information

• Patent Grant
• 3299317

• References
• Source

• Patent Number

  3,299,317

• Date Filed

  Not available

• Date Issued

  Tuesday, January 17, 1967
  58 years ago

• CPC

  • H01J19/74 - Cooling arrangements
  • H01J1/135 - Circuit arrangements therefor
  • H01J1/22 - Heaters
  • H01J21/10 - with one or more immovable internal control electrodes
  • H03F1/544 - Protection of filaments

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems