3688150

Information

• Patent Grant
• 3688150

• References
• Source

• Patent Number

  3,688,150

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  53 years ago

• CPC

  • H01J41/16 - using gettering substances
  • H01J7/18 - Means for absorbing or adsorbing gas
  • H01J7/183 - Composition or manufacture of getters
  • H01J41/12 - Discharge tubes for evacuating by diffusion of ions
  • H01J41/20 - using gettering substances

• US Classifications

  • 313 - Electric lamp and discharge devices