2122538

Information

• Patent Grant
• 2122538

• References
• Source

• Patent Number

  2,122,538

• Date Filed

  Not available

• Date Issued

  Tuesday, July 5, 1938
  87 years ago

• CPC

  • H01J25/68 - Tubes specially designed to act as oscillator with positive grid and retarding field
  • H01J25/70 - with resonator having distributed inductance with capacitance

• US Classifications

  • 330 - Amplifiers
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems
  • 331 - Oscillators
  • 333 - Wave transmission lines and networks