2177162

Information

• Patent Grant
• 2177162

• References
• Source

• Patent Number

  2,177,162

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1939
  86 years ago

• CPC

  • H03K4/28 - using a tube operating as a switching device
  • H03K4/39 - using a tube operating as an amplifier

• US Classifications

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