1806746

Information

• Patent Grant
• 1806746

• References
• Source

• Patent Number

  1,806,746

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1931
  93 years ago

• CPC

  • H01J17/36 - Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 313 - Electric lamp and discharge devices