3619020

Information

• Patent Grant
• 3619020

• References
• Source

• Patent Number

  3,619,020

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1971
  53 years ago

• CPC

  • H01K3/22 - Exhausing, degassing, filling, or cleaning vessels
  • H01J9/395 - Filling vessels

• US Classifications

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