2221633

Information

• Patent Grant
• 2221633

• References
• Source

• Patent Number

  2,221,633

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1940
  84 years ago

• CPC

  • F25B41/062 - Expansion valves
  • F25B2341/0682 - the sensor contains sorbent materials
  • Y10S236/12 - Heat conductor

• US Classifications

  • 060 - Power plants
  • 062 - Refrigeration
  • 073 - Measuring and testing
  • 236 - Automatic temperature and humidity regulation