2128232

Information

• Patent Grant
• 2128232

• References
• Source

• Patent Number

  2,128,232

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1938
  87 years ago

• CPC

  • H01J25/70 - with resonator having distributed inductance with capacitance
  • H01J21/14 - Tubes with means for concentrating the electron stream
  • H01J2893/0029 - Electron beam tubes

• US Classifications

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