2054252

Information

• Patent Grant
• 2054252

• References
• Source

• Patent Number

  2,054,252

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1936
  88 years ago

• CPC

  • H03B9/02 - using a retarding-field tube
  • H01J19/02 - Electron-emitting electrodes Cathodes
  • H01J25/68 - Tubes specially designed to act as oscillator with positive grid and retarding field
  • H01J2893/0001 - Electrodes and electrode systems suitable for discharge tubes or lamps

• US Classifications

  • 331 - Oscillators
  • 313 - Electric lamp and discharge devices