2458205

Information

• Patent Grant
• 2458205

• References
• Source

• Patent Number

  2,458,205

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1949
  76 years ago

• CPC

  • 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

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems