2440266

Information

• Patent Grant
• 2440266

• References
• Source

• Patent Number

  2,440,266

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1948
  76 years ago

• CPC

  • G01J1/124 - based on the comparison of the intensity of measured light with a comparison source or comparison illuminated surface

• US Classifications

  • 356 - Optics: measuring and testing