1998534

Information

• Patent Grant
• 1998534

• References
• Source

• Patent Number

  1,998,534

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1935
  89 years ago

• CPC

  • G01N25/62 - by psychrometric means
  • Y10S236/13 - Humidithermostat

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 073 - Measuring and testing
  • 165 - Heat exchange
  • 236 - Automatic temperature and humidity regulation