3226806

Information

• Patent Grant
• 3226806

• References
• Source

• Patent Number

  3,226,806

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1966
  59 years ago

• CPC

  • H01J9/08 - Manufacture of heaters for indirectly-heated cathodes
  • Y10T29/49082 - Resistor making

• US Classifications

  • 029 - Metal working
  • 065 - Glass manufacturing
  • 313 - Electric lamp and discharge devices
  • 427 - Coating processes