2872570

Information

• Patent Grant
• 2872570

• References
• Source

• Patent Number

  2,872,570

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1959
  65 years ago

• CPC

  • H03K3/04 - by the use, as active elements, of vacuum tubes only, with positive feedback

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 330 - Amplifiers