2291577

Information

• Patent Grant
• 2291577

• References
• Source

• Patent Number

  2,291,577

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1942
  82 years ago

• CPC

  • H01J29/395 - charge-storage grids exhibiting triode effect
  • H01J31/40 - having grid-like image screen through which the electron ray passes and by which the ray is influenced before striking the output electrode
  • Y10T428/24331 - including nonapertured component
  • Y10T428/24355 - Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]

• US Classifications

  • 445 - Electric lamp or space discharge component or device manufacturing
  • 244 - Aeronautics and astronautics
  • 313 - Electric lamp and discharge devices
  • 427 - Coating processes
  • 428 - Stock material or miscellaneous articles