2917661

Information

• Patent Grant
• 2917661

• References
• Source

• Patent Number

  2,917,661

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1959
  64 years ago

• CPC

  • H03K4/28 - using a tube operating as a switching device

• US Classifications

  • 315 - Electric lamp and discharge devices: systems