2499443

Information

• Patent Grant
• 2499443

• References
• Source

• Patent Number

  2,499,443

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1950
  74 years ago

• CPC

  • H03F3/36 - with tubes only
  • H03F1/50 - with tubes only
  • H03F3/52 - with tubes only
  • H03H7/0146 - Coupling circuits between two tubes, not otherwise provided for

• US Classifications

  • 330 - Amplifiers