3922580

Information

• Patent Grant
• 3922580

• References
• Source

• Patent Number

  3,922,580

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • H01J29/465 - for simultaneous focalisation and deflection of ray or beam

• US Classifications

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