3419744

Information

• Patent Grant
• 3419744

• References
• Source

• Patent Number

  3,419,744

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1968
  56 years ago

• CPC

  • H01J9/04 - of thermionic cathodes
  • H01J1/26 - Supports for the emissive material
  • H01J21/02 - Tubes with a single discharge path
  • Y10T428/12535 - with additional, spatially distinct nonmetal component
  • Y10T428/12944 - Ni-base component

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 428 - Stock material or miscellaneous articles