2194520

Information

• Patent Grant
• 2194520

• References
• Source

• Patent Number

  2,194,520

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1940
  84 years ago

• CPC

  • G01N25/48 - on solution, sorption, or a chemical reaction not involving combustion or catalytic oxidation
  • G01N25/385 - for investigating the composition of gas mixtures

• US Classifications

  • 340 - Communications: electrical
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing