1529597

Information

• Patent Grant
• 1529597

• References
• Source

• Patent Number

  1,529,597

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1925
  100 years ago

• CPC

  • H01J9/042 - Manufacture, activation of the emissive part
  • H01J17/24 - Means for absorbing or adsorbing gas

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 148 - Metal treatment
  • 220 - Receptacles
  • 252 - Compositions
  • 427 - Coating processes
  • 445 - Electric lamp or space discharge component or device manufacturing