3862449

Information

• Patent Grant
• 3862449

• References
• Source

• Patent Number

  3,862,449

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1975
  50 years ago

• CPC

  • H01J61/86 - with discharge additionally constricted by close spacing of electrodes
  • H01J61/04 - Electrodes Screens Shields
  • H01J61/98 - Lamps with closely spaced electrodes heated to incandescence by light-emitting discharge

• US Classifications

  • 313 - Electric lamp and discharge devices