2827569

Information

• Patent Grant
• 2827569

• References
• Source

• Patent Number

  2,827,569

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1958
  68 years ago

• CPC

  • H03B5/22 - active element in amplifier being vacuum tube

• US Classifications

  • 331 - Oscillators