2225063

Information

• Patent Grant
• 2225063

• References
• Source

• Patent Number

  2,225,063

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1940
  84 years ago

• CPC

  • H01J31/30 - having regulation of screen potential at anode potential
  • H01J31/32 - Tubes with image amplification section
  • H01J31/34 - having regulation of screen potential at cathode potential

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices
  • 427 - Coating processes