3851213

Information

• Patent Grant
• 3851213

• References
• Source

• Patent Number

  3,851,213

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1974
  50 years ago

• CPC

  • H01J61/95 - Lamps with control electrode for varying intensity or wavelength of the light
  • G01J3/10 - Arrangements of light sources specially adapted for spectrometry or colorimetry

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices