2803770

Information

• Patent Grant
• 2803770

• References
• Source

• Patent Number

  2,803,770

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1957
  67 years ago

• CPC

  • H01J29/66 - using electromagnetic means only
  • H01J31/32 - Tubes with image amplification section

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 250 - Radiant energy
  • 315 - Electric lamp and discharge devices: systems
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets