2092814

Information

• Patent Grant
• 2092814

• References
• Source

• Patent Number

  2,092,814

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1937
  87 years ago

• CPC

  • H01J40/18 - with luminescent coatings for influencing the sensitivity of the tube

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 250 - Radiant energy