3869643

Information

• Patent Grant
• 3869643

• References
• Source

• Patent Number

  3,869,643

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1975
  49 years ago

• CPC

  • G01N24/006 - using optical pumping
  • G01J3/10 - Arrangements of light sources specially adapted for spectrometry or colorimetry
  • H01J17/066 - Cold cathodes
  • H01J2893/0066 - Construction, material, support, protection and temperature regulation of electrodes Electrode cups

• US Classifications

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