2155510

Information

• Patent Grant
• 2155510

• References
• Source

• Patent Number

  2,155,510

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1939
  85 years ago

• CPC

  • F24F5/00 - Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00
  • Y10T137/1963 - Temperature
  • Y10T137/2947 - Gas pressure controlled by amount of liquid in trap
  • Y10T137/6443 - With burner
  • Y10T137/6525 - Air heated or cooled [fan, fins, or channels]
  • Y10T137/7387 - Over center mechanism
  • Y10T137/7924 - Spring under tension

• US Classifications

  • 062 - Refrigeration
  • 060 - Power plants
  • 137 - Fluid handling
  • 165 - Heat exchange
  • 252 - Compositions