2152825

Information

• Patent Grant
• 2152825

• References
• Source

• Patent Number

  2,152,825

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1939
  85 years ago

• CPC

  • H01J29/624 - co-operating with or closely associated to an electron gun
  • H01J29/72 - along one straight line or along two perpendicular straight lines

• US Classifications

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