1653366

Information

• Patent Grant
• 1653366

• References
• Source

• Patent Number

  1,653,366

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1927
  97 years ago

• CPC

  • H01J7/186 - Getter supports
  • H01J17/24 - Means for absorbing or adsorbing gas

• US Classifications

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