3246387

Information

• Patent Grant
• 3246387

• References
• Source

• Patent Number

  3,246,387

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1966
  58 years ago

• CPC

  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • C23C18/36 - using hypophosphites
  • H01J17/44 - having one or more control electrodes
  • H01J19/30 - characterised by the material
  • H01J2893/0019 - Chemical composition and manufacture
  • H01J2893/0022 - Manufacture
  • H01J2893/0024 - Planar grids
  • H01J2893/0068 - electrode assembly with control electrodes

• US Classifications

  • 445 - Electric lamp or space discharge component or device manufacturing
  • 140 - Wireworking
  • 228 - Metal fusion bonding
  • 313 - Electric lamp and discharge devices