3474286

Information

• Patent Grant
• 3474286

• References
• Source

• Patent Number

  3,474,286

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1969
  55 years ago

• CPC

  • H01J31/36 - Tubes with image amplification section

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 324 - Electricity: measuring and testing
  • 342 - Communications: directive radio wave systems and devices
  • 359 - Optical: systems and elements