2167496

Information

• Patent Grant
• 2167496

• References
• Source

• Patent Number

  2,167,496

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1939
  85 years ago

• CPC

  • H03B7/10 - active element being gas-discharge or arc-discharge tube
  • H03K3/55 - the switching device being a gas-filled tube having a control electrode

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 331 - Oscillators