2398691

Information

• Patent Grant
• 2398691

• References
• Source

• Patent Number

  2,398,691

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1946
  78 years ago

• CPC

  • H03F1/50 - with tubes only
  • H03H7/0146 - Coupling circuits between two tubes, not otherwise provided for

• US Classifications

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