2149328

Information

• Patent Grant
• 2149328

• References
• Source

• Patent Number

  2,149,328

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1939
  85 years ago

• CPC

  • H03H7/0146 - Coupling circuits between two tubes, not otherwise provided for
  • H03F3/02 - with tubes only

• US Classifications

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