2994169

Information

• Patent Grant
• 2994169

• References
• Source

• Patent Number

  2,994,169

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1961
  63 years ago

• CPC

  • H01J9/38 - Exhausting, degassing, filling, or cleaning vessels
  • Y10S53/03 - Sealing electron tubes

• US Classifications

  • 053 - Package making
  • 445 - Electric lamp or space discharge component or device manufacturing