3290553

Information

• Patent Grant
• 3290553

• References
• Source

• Patent Number

  3,290,553

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1966
  58 years ago

• CPC

  • H01J17/40 - with one cathode and one anode
  • H01J13/08 - characterised by the material
  • H01J13/28 - Selection of substances for gas filling Means for obtaining the desired pressure within the tube
  • H01J13/50 - Tubes having a single main anode
  • H01J21/00 - Vacuum tubes
  • H01J2893/0076 - Liquid electrode materials
  • H01J2893/0086 - Gas fill Maintaining or maintaining desired pressure Producing, introducing or replenishing gas or vapour during operation of the tube Getters Gas cleaning Electrode cleaning

• US Classifications

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