2423505

Information

• Patent Grant
• 2423505

• References
• Source

• Patent Number

  2,423,505

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1947
  77 years ago

• CPC

  • H03B5/16 - active element in amplifier being vacuum tube

• US Classifications

  • 331 - Oscillators
  • 330 - Amplifiers
  • 333 - Wave transmission lines and networks