3538375

Information

• Patent Grant
• 3538375

• References
• Source

• Patent Number

  3,538,375

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1970
  54 years ago

• CPC

  • H01J13/06 - Cathodes
  • H01J13/08 - characterised by the material
  • H01J2893/0075 - Cathodic cups

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 060 - Power plants