3450565

Information

• Patent Grant
• 3450565

• References
• Source

• Patent Number

  3,450,565

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1969
  55 years ago

• CPC

  • H05B3/42 - non-flexible
  • H01J1/22 - Heaters
  • H01J9/08 - Manufacture of heaters for indirectly-heated cathodes

• US Classifications

  • 427 - Coating processes
  • 313 - Electric lamp and discharge devices