3829222

Information

• Patent Grant
• 3829222

• References
• Source

• Patent Number

  3,829,222

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1974
  49 years ago

• CPC

  • G01J3/40 - Measuring the intensity of spectral lines by determining density of a photograph of the spectrum Spectrography
  • G01D5/341 - controlling the movement of a following part

• US Classifications

  • 356 - Optics: measuring and testing