2154758

Information

• Patent Grant
• 2154758

• References
• Source

• Patent Number

  2,154,758

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1939
  85 years ago

• CPC

  • H01J25/54 - having only one cavity or other resonator
  • H01J25/52 - with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
  • H04B1/163 - Special arrangements for the reduction of the damping of resonant circuits of receivers

• US Classifications

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