3379929

Information

• Patent Grant
• 3379929

• References
• Source

• Patent Number

  3,379,929

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1968
  56 years ago

• CPC

  • H03K3/543 - the switching device being a vacuum tube
  • H01J17/12 - Control electrodes
  • H01J17/34 - One or more circuit elements structurally associated with the tube
  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J2893/001 - Non-constructive schematic arrangements

• US Classifications

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