3322993

Information

• Patent Grant
• 3322993

• References
• Source

• Patent Number

  3,322,993

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1967
  57 years ago

• CPC

  • H01J9/38 - Exhausting, degassing, filling, or cleaning vessels
  • H01J7/18 - Means for absorbing or adsorbing gas
  • H01J7/186 - Getter supports
  • H01J35/20 - Selection of substances for gas fillings Means for obtaining or maintaining the desired pressure within the tube
  • H01J2235/205 - Gettering

• US Classifications

  • 313 - Electric lamp and discharge devices