2550040

Information

• Patent Grant
• 2550040

• References
• Source

• Patent Number

  2,550,040

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1951
  73 years ago

• CPC

  • F25D17/042 - Air treating means within refrigerated spaces
  • F25D23/062 - defining a cabinet
  • F25D2201/14 - using subatmospheric pressure
  • F25D2317/043 - by creating a vacuum in a storage compartment
  • Y10T292/0847 - Screw

• US Classifications

  • 165 - Heat exchange
  • 062 - Refrigeration
  • 206 - Special receptacle or package
  • 220 - Receptacles
  • 237 - Heating systems
  • 285 - Pipe joints or couplings
  • 292 - Closure fasteners