2900771

Information

• Patent Grant
• 2900771

• References
• Source

• Patent Number

  2,900,771

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1959
  65 years ago

• CPC

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

• US Classifications

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