2171233

Information

• Patent Grant
• 2171233

• References
• Source

• Patent Number

  2,171,233

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1939
  84 years ago

• CPC

  • H01J43/16 - Electrode arrangements using essentially one dynode

• US Classifications

  • 313 - Electric lamp and discharge devices