2343539

Information

• Patent Grant
• 2343539

• References
• Source

• Patent Number

  2,343,539

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1944
  80 years ago

• CPC

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

• US Classifications

  • 331 - Oscillators