3858955

Information

• Patent Grant
• 3858955

• References
• Source

• Patent Number

  3,858,955

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1975
  50 years ago

• CPC

  • H01J9/12 - of photo-emissive cathodes of secondary-emission electrodes
  • H01J43/20 - Dynodes consisting of sheet material
  • H01J2201/32 - Secondary emission electrodes
  • H01J2201/34 - Photoemissive electrodes

• US Classifications

  • 445 - Electric lamp or space discharge component or device manufacturing