2216687

Information

• Patent Grant
• 2216687

• References
• Source

• Patent Number

  2,216,687

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1940
  84 years ago

• CPC

  • G01K17/14 - using mechanical means for both measurements
  • G01N25/62 - by psychrometric means

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 034 - Drying and gas or vapor contact with solids
  • 073 - Measuring and testing
  • 374 - Thermal measuring and testing