3383542

Information

• Patent Grant
• 3383542

• References
• Source

• Patent Number

  3,383,542

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1968
  57 years ago

• CPC

  • H01J21/36 - Tubes with flat electrodes
  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J19/38 - Control electrodes
  • H01J2893/0016 - Planar grids
  • H01J2893/0026 - Machines for manufacture of grids or anodes

• US Classifications

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