2269173

Information

• Patent Grant
• 2269173

• References
• Source

• Patent Number

  2,269,173

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1942
  83 years ago

• CPC

  • F17C3/02 - with provision for thermal insulation
  • F17C2201/052 - large (>1000 m3)
  • F17C2203/0354 - Wood
  • F17C2203/0682 - with liquid or gas layer
  • F17C2205/0188 - Hanging up devices
  • F17C2221/013 - Carbone dioxide
  • F17C2223/0176 - Solids and gas
  • F17C2223/031 - Not under pressure
  • F17C2260/031 - due to heat transfer
  • F17C2270/0149 - by digging cavities
  • F17C2270/016 - onshore

• US Classifications

  • 062 - Refrigeration
  • 200 - Electricity: circuit makers and breakers