2254264

Information

• Patent Grant
• 2254264

• References
• Source

• Patent Number

  2,254,264

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1941
  83 years ago

• CPC

  • H01J25/68 - Tubes specially designed to act as oscillator with positive grid and retarding field

• US Classifications

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