2256679

Information

• Patent Grant
• 2256679

• References
• Source

• Patent Number

  2,256,679

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1941
  83 years ago

• CPC

  • F17C13/126 - for large storage containers for liquefied gas
  • F16L2101/30 - Inspecting, measuring or testing
  • F17C2201/0128 - spherical or elliptical
  • F17C2203/01 - Reinforcing or suspension means
  • F17C2203/015 - Bars
  • F17C2203/0308 - Radiation shield
  • F17C2203/0325 - Aerogel
  • F17C2203/0337 - Granular
  • F17C2203/035 - Glass wool
  • F17C2203/0379 - Inert
  • F17C2203/0383 - Air
  • F17C2203/0391 - by vacuum
  • F17C2203/0629 - Two walls
  • F17C2203/0639 - Steels
  • F17C2205/0107 - Frames
  • F17C2205/018 - Supporting feet
  • F17C2205/0314 - breakable
  • F17C2205/0332 - Safety valves or pressure relief valves
  • F17C2205/0379 - Manholes or access openings for human beings
  • F17C2221/011 - Oxygen
  • F17C2221/031 - Air
  • F17C2223/0161 - cryogenic
  • F17C2223/033 - Small pressure
  • F17C2250/0408 - Level of content in the vessel
  • F17C2260/033 - by enhancing insulation
  • Y10S62/13 - Insulation

• US Classifications

  • 220 - Receptacles
  • 062 - Refrigeration