2059004

Information

• Patent Grant
• 2059004

• References
• Source

• Patent Number

  2,059,004

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1936
  88 years ago

• CPC

  • H03K4/10 - using as active elements vacuum tubes only

• US Classifications

  • 315 - Electric lamp and discharge devices: systems