2394508

Information

• Patent Grant
• 2394508

• References
• Source

• Patent Number

  2,394,508

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1946
  78 years ago

• CPC

  • G01J1/34 - using separate light paths used alternately or sequentially

• US Classifications

  • 356 - Optics: measuring and testing
  • 359 - Optical: systems and elements