3371854

Information

• Patent Grant
• 3371854

• References
• Source

• Patent Number

  3,371,854

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1968
  56 years ago

• CPC

  • H01J41/16 - using gettering substances

• US Classifications

  • 417 - Pumps
  • 315 - Electric lamp and discharge devices: systems