2773731

Information

• Patent Grant
• 2773731

• References
• Source

• Patent Number

  2,773,731

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1956
  68 years ago

• CPC

  • H01J9/445 - Aging of tubes or lamps
  • H01J9/045 - Activation of assembled cathode

• US Classifications

  • 445 - Electric lamp or space discharge component or device manufacturing
  • 198 - Conveyors: power-driven
  • 324 - Electricity: measuring and testing