2253187

Information

• Patent Grant
• 2253187

• References
• Source

• Patent Number

  2,253,187

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1941
  83 years ago

• CPC

  • G01N25/46 - for investigating the composition of gas mixtures
  • G01N25/48 - on solution, sorption, or a chemical reaction not involving combustion or catalytic oxidation
  • Y10T436/205831 - Carbon monoxide only

• US Classifications

  • 073 - Measuring and testing
  • 436 - Chemistry: analytical and immunological testing