2272851

Information

• Patent Grant
• 2272851

• References
• Source

• Patent Number

  2,272,851

• Date Filed

  Not available

• Date Issued

  Tuesday, February 10, 1942
  83 years ago

• CPC

  • H03B5/1835 - the active element in the amplifier being a vacuum tube
  • H03J9/002 - comprising one or more tuning stages separated from the rest of a receiver

• US Classifications

  • 331 - Oscillators