2251992

Information

• Patent Grant
• 2251992

• References
• Source

• Patent Number

  2,251,992

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1941
  83 years ago

• CPC

  • H01J29/43 - using photo-emissive mosaic
  • H01J29/36 - Photoelectric screens Charge-storage screens

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 204 - Chemistry: electrical and wave energy
  • 427 - Coating processes