1953244

Information

• Patent Grant
• 1953244

• References
• Source

• Patent Number

  1,953,244

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1934
  90 years ago

• CPC

  • G01N27/16 - caused by burning or catalytic oxidation of a surrounding material to be tested
  • Y10S200/16 - Gas detector
  • Y10T436/218 - Total hydrocarbon, flammability, combustibility [e.g., air-fuel mixture, etc.]

• US Classifications

  • 340 - Communications: electrical
  • 200 - Electricity: circuit makers and breakers
  • 361 - Electricity: electrical systems and devices
  • 436 - Chemistry: analytical and immunological testing