1224321

Information

• Patent Grant
• 1224321

• References
• Source

• Patent Number

  1,224,321

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1917
  107 years ago

• CPC

  • G01N27/16 - caused by burning or catalytic oxidation of a surrounding material to be tested
  • Y10S200/16 - Gas detector

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 073 - Measuring and testing
  • 200 - Electricity: circuit makers and breakers