3353889

Information

• Patent Grant
• 3353889

• References
• Source

• Patent Number

  3,353,889

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1967
  57 years ago

• CPC

  • H01J40/00 - Photoelectric discharge tubes not involving the ionisation of a gas
  • H01J5/28 - between conductive parts of vessel
  • H01J9/263 - specially adapted for cathode-ray tubes
  • H01J9/38 - Exhausting, degassing, filling, or cleaning vessels
  • H01J2893/0044 - Direct connection between two metal elements, in particular via material a connecting material

• US Classifications

  • 445 - Electric lamp or space discharge component or device manufacturing