3747401

Information

• Patent Grant
• 3747401

• References
• Source

• Patent Number

  3,747,401

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1973
  51 years ago

• CPC

  • G01J5/42 - using Golay cells
  • G01K17/003 - for measuring the power of light beams
  • G01N21/37 - using pneumatic detection

• US Classifications

  • 374 - Thermal measuring and testing
  • 250 - Radiant energy