2738438

Information

• Patent Grant
• 2738438

• References
• Source

• Patent Number

  2,738,438

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1956
  68 years ago

• CPC

  • H01J19/38 - Control electrodes
  • H01J2893/0015 - Non-sealed electrodes

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 228 - Metal fusion bonding
  • 445 - Electric lamp or space discharge component or device manufacturing