2201345

Information

• Patent Grant
• 2201345

• References
• Source

• Patent Number

  2,201,345

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1940
  85 years ago

• CPC

  • H03F3/64 - with tubes only
  • H03F1/16 - in discharge tube amplifiers
  • H03F3/44 - with tubes only

• US Classifications

  • 330 - Amplifiers