2262757

Information

• Patent Grant
• 2262757

• References
• Source

• Patent Number

  2,262,757

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1941
  83 years ago

• CPC

  • H03G3/16 - having discharge tubes
  • H03G3/02 - Manually-operated control

• US Classifications

  • 455 - Telecommunications
  • 381 - Electrical audio signal processing systems and devices