2039134

Information

• Patent Grant
• 2039134

• References
• Source

• Patent Number

  2,039,134

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1936
  88 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
  • 330 - Amplifiers