2154378

Information

• Patent Grant
• 2154378

• References
• Source

• Patent Number

  2,154,378

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1939
  85 years ago

• CPC

  • H03B7/10 - active element being gas-discharge or arc-discharge tube
  • H03K3/37 - by the use, as active elements, of gas-filled tubes

• US Classifications

  • 315 - Electric lamp and discharge devices: systems