3441785

Information

• Patent Grant
• 3441785

• References
• Source

• Patent Number

  3,441,785

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1969
  55 years ago

• CPC

  • H01J31/44 - Tubes with image amplification section
  • H01J29/06 - Screens for shielding Masks interposed in the electron stream

• US Classifications

  • 315 - Electric lamp and discharge devices: systems