3221259

Information

• Patent Grant
• 3221259

• References
• Source

• Patent Number

  3,221,259

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1965
  59 years ago

• CPC

  • H03K4/20 - using a tube with negative feedback by capacitor

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 315 - Electric lamp and discharge devices: systems