2150168

Information

• Patent Grant
• 2150168

• References
• Source

• Patent Number

  2,150,168

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1939
  86 years ago

• CPC

  • H01J31/265 - with light spot scanning

• US Classifications

  • 348 - Television
  • 252 - Compositions
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems