2556254

Information

• Patent Grant
• 2556254

• References
• Source

• Patent Number

  2,556,254

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1951
  74 years ago

• CPC

  • H01J17/24 - Means for absorbing or adsorbing gas

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 445 - Electric lamp or space discharge component or device manufacturing