2156625

Information

• Patent Grant
• 2156625

• References
• Source

• Patent Number

  2,156,625

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1939
  86 years ago

• CPC

  • H01J43/14 - Control of electron beam by magnetic field

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 250 - Radiant energy
  • 301 - Land vehicles: wheels and axles
  • 369 - Dynamic information storage or retrieval
  • 427 - Coating processes
  • 445 - Electric lamp or space discharge component or device manufacturing