2415842

Information

• Patent Grant
• 2415842

• References
• Source

• Patent Number

  2,415,842

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1947
  77 years ago

• CPC

  • H01J31/34 - having regulation of screen potential at cathode potential
  • H01J29/453 - provided with diode arrays

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 427 - Coating processes