2199485

Information

• Patent Grant
• 2199485

• References
• Source

• Patent Number

  2,199,485

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1940
  84 years ago

• CPC

  • F25D17/042 - Air treating means within refrigerated spaces
  • A23B5/04 - Freezing Subsequent thawing Cooling
  • A23B5/10 - in the form of gases
  • A23B7/0425 - the material not being transported through or in the apparatus, with or without shaping
  • A23B7/148 - in a controlled atmosphere
  • F25D2317/0411 - by dehumidification
  • F25D2317/0413 - by humidification

• US Classifications

  • 426 - Food or edible material: processes, compositions, and products
  • 062 - Refrigeration
  • 261 - Gas and liquid contact apparatus