3854786

Information

• Patent Grant
• 3854786

• References
• Source

• Patent Number

  3,854,786

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1974
  50 years ago

• CPC

  • H01K3/22 - Exhausing, degassing, filling, or cleaning vessels
  • H01K1/54 - Means for absorbing or absorbing gas, or for preventing or removing efflorescence

• US Classifications

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