3131326

Information

• Patent Grant
• 3131326

• References
• Source

• Patent Number

  3,131,326

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1964
  60 years ago

• CPC

  • H01J25/24 - in which the electron stream is in the axis of the resonator or resonators and is pencil-like before reflection

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 333 - Wave transmission lines and networks