2250596

Information

• Patent Grant
• 2250596

• References
• Source

• Patent Number

  2,250,596

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1941
  83 years ago

• CPC

  • H03G7/02 - having discharge tubes
  • H03G9/10 - for tone control and volume expansion or compression

• US Classifications

  • 455 - Telecommunications
  • 330 - Amplifiers