2496239

Information

• Patent Grant
• 2496239

• References
• Source

• Patent Number

  2,496,239

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1950
  74 years ago

• CPC

  • G01J1/54 - by observing photo-reactions between gases

• US Classifications

  • 073 - Measuring and testing