3402314

Information

• Patent Grant
• 3402314

• References
• Source

• Patent Number

  3,402,314

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1968
  56 years ago

• CPC

  • H01J1/28 - Dispenser-type cathodes
  • H01J1/14 - characterised by the material
  • H01J21/065 - Devices for short wave tubes

• US Classifications

  • 313 - Electric lamp and discharge devices