3828218

Information

• Patent Grant
• 3828218

• References
• Source

• Patent Number

  3,828,218

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1974
  50 years ago

• CPC

  • H01J17/22 - Means for obtaining or maintaining the desired pressure within the tube
  • H01J17/491 - with electrodes arranged side by side and substantially in the same plane

• US Classifications

  • 313 - Electric lamp and discharge devices