3624442

Information

• Patent Grant
• 3624442

• References
• Source

• Patent Number

  3,624,442

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1971
  53 years ago

• CPC

  • H01J31/64 - on opposite sides of screen
  • H01J29/892 - using fibre optics

• US Classifications

  • 313 - Electric lamp and discharge devices