2803781

Information

• Patent Grant
• 2803781

• References
• Source

• Patent Number

  2,803,781

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1957
  67 years ago

• CPC

  • H01J29/72 - along one straight line or along two perpendicular straight lines
  • H01J29/70 - Arrangements for deflecting ray or beam

• US Classifications

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