3633328

Information

• Patent Grant
• 3633328

• References
• Source

• Patent Number

  3,633,328

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1972
  53 years ago

• CPC

  • E04H7/20 - Prestressed constructions
  • F17C1/12 - with provision for thermal insulation
  • F17C2201/0104 - cylindrical
  • F17C2201/052 - large (>1000 m3)
  • F17C2203/013 - in the vessel
  • F17C2203/0329 - Foam
  • F17C2203/0333 - Polyurethane
  • F17C2203/0354 - Wood
  • F17C2203/0604 - Liners
  • F17C2203/0607 - Coatings
  • F17C2203/0619 - with two layers
  • F17C2203/0629 - Two walls
  • F17C2203/0631 - Three or more walls
  • F17C2203/0639 - Steels
  • F17C2203/0648 - Alloys or compositions of metals
  • F17C2203/0678 - Concrete
  • F17C2203/0695 - pre-constrained
  • F17C2205/018 - Supporting feet
  • F17C2209/221 - Welding
  • F17C2221/011 - Oxygen
  • F17C2221/014 - Nitrogen
  • F17C2221/033 - Methane
  • F17C2223/0161 - cryogenic
  • F17C2223/033 - Small pressure
  • F17C2260/011 - Improving strength
  • F17C2270/0134 - placed above the ground

• US Classifications

  • 052 - Static structures