2886970

Information

• Patent Grant
• 2886970

• References
• Source

• Patent Number

  2,886,970

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1959
  65 years ago

• CPC

  • G01J5/52 - using comparison with reference sources
  • Y10S246/01 - Radiant energy devices

• US Classifications

  • 374 - Thermal measuring and testing
  • 246 - Railway switches and signals
  • 356 - Optics: measuring and testing