2774909

Information

• Patent Grant
• 2774909

• References
• Source

• Patent Number

  2,774,909

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1956
  68 years ago

• CPC

  • H01J31/32 - Tubes with image amplification section

• US Classifications

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