2137024

Information

• Patent Grant
• 2137024

• References
• Source

• Patent Number

  2,137,024

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1938
  86 years ago

• CPC

  • G05D23/275 - with sensing element expanding, contracting, or fusing in response to changes of temperature
  • G05D23/1904 - variable in time
  • Y10S200/40 - Moisture
  • Y10S236/13 - Humidithermostat

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 073 - Measuring and testing
  • 200 - Electricity: circuit makers and breakers
  • 250 - Radiant energy