3838305

Information

• Patent Grant
• 3838305

• References
• Source

• Patent Number

  3,838,305

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1974
  50 years ago

• CPC

  • H01J37/12 - electrostatic
  • H01J29/02 - Electrodes Screens Mounting, supporting, spacing or insulating thereof
  • H01J29/58 - Arrangements for focusing or reflecting ray or beam

• US Classifications

  • 313 - Electric lamp and discharge devices