2306509

Information

• Patent Grant
• 2306509

• References
• Source

• Patent Number

  2,306,509

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1942
  81 years ago

• CPC

  • G01N25/36 - for investigating the composition of gas mixtures

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 073 - Measuring and testing
  • 337 - Electricity: electrothermally or thermally actuated switches
  • 340 - Communications: electrical
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing