3133224

Information

• Patent Grant
• 3133224

• References
• Source

• Patent Number

  3,133,224

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1964
  60 years ago

• CPC

  • H01J13/28 - Selection of substances for gas filling Means for obtaining the desired pressure within the tube
  • H01J13/54 - with control by igniter
  • H01J2893/0086 - Gas fill Maintaining or maintaining desired pressure Producing, introducing or replenishing gas or vapour during operation of the tube Getters Gas cleaning Electrode cleaning

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems