3139924

Information

• Patent Grant
• 3139924

• References
• Source

• Patent Number

  3,139,924

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1964
  60 years ago

• CPC

  • F25B27/00 - Machines, plant, or systems, using particular sources of energy
  • F25B13/00 - Compression machines, plant or systems with reversible cycle
  • F25B47/006 - for preventing frost
  • F25D21/12 - by hot-fluid circulating system separate from the refrigerant system
  • F25D2323/00283 - the fans allowing rotation in reverse direction

• US Classifications

  • 062 - Refrigeration
  • 165 - Heat exchange