3446888

Information

• Patent Grant
• 3446888

• References
• Source

• Patent Number

  3,446,888

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1969
  55 years ago

• CPC

  • F17C3/022 - Land-based bulk storage containers
  • F17C2201/0119 - with flat end-piece
  • F17C2201/032 - with substantially vertical main axis
  • F17C2201/052 - large (>1000 m3)
  • F17C2203/0329 - Foam
  • F17C2203/0629 - Two walls
  • F17C2203/0639 - Steels
  • F17C2203/0678 - Concrete
  • F17C2203/0695 - pre-constrained
  • F17C2209/2109 - Moulding
  • F17C2223/0161 - cryogenic
  • F17C2223/033 - Small pressure
  • F17C2260/011 - Improving strength

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 052 - Static structures