2325512

Information

• Patent Grant
• 2325512

• References
• Source

• Patent Number

  2,325,512

• Date Filed

  Not available

• Date Issued

  Tuesday, July 27, 1943
  81 years ago

• CPC

  • H03J3/14 - Visual indication
  • H03G5/20 - having discharge tubes
  • H03G9/10 - for tone control and volume expansion or compression

• US Classifications

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