3488972

Information

• Patent Grant
• 3488972

• References
• Source

• Patent Number

  3,488,972

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1970
  54 years ago

• CPC

  • F17C3/022 - Land-based bulk storage containers
  • F17C2201/0109 - with exteriorly curved end-piece
  • F17C2201/0119 - with flat end-piece
  • F17C2201/032 - with substantially vertical main axis
  • F17C2201/052 - large (>1000 m3)
  • F17C2203/016 - Cords
  • F17C2203/032 - Multi-sheet layers
  • F17C2203/0333 - Polyurethane
  • F17C2203/035 - Glass wool
  • F17C2203/0379 - Inert
  • F17C2203/0604 - Liners
  • F17C2203/0629 - Two walls
  • F17C2203/0639 - Steels
  • F17C2203/0643 - Stainless steels
  • F17C2203/0648 - Alloys or compositions of metals
  • F17C2203/0678 - Concrete
  • F17C2203/0695 - pre-constrained
  • F17C2221/011 - Oxygen
  • F17C2221/014 - Nitrogen
  • F17C2221/033 - Methane
  • F17C2223/0161 - cryogenic
  • F17C2223/033 - Small pressure
  • F17C2250/043 - Pressure
  • F17C2250/0626 - Pressure
  • F17C2260/011 - Improving strength

• US Classifications

  • 062 - Refrigeration
  • 405 - Hydraulic and earth engineering