3311964

Information

• Patent Grant
• 3311964

• References
• Source

• Patent Number

  3,311,964

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1967
  58 years ago

• CPC

  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J2893/0024 - Planar grids

• US Classifications

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