2558580

Information

• Patent Grant
• 2558580

• References
• Source

• Patent Number

  2,558,580

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1951
  73 years ago

• CPC

  • E04H7/20 - Prestressed constructions
  • F17C3/005 - Underground or underwater containers or vessels
  • F17C2201/0109 - with exteriorly curved end-piece
  • F17C2201/0119 - with flat end-piece
  • F17C2201/032 - with substantially vertical main axis
  • F17C2203/013 - in the vessel
  • F17C2203/0604 - Liners
  • F17C2203/0639 - Steels
  • F17C2203/0678 - Concrete
  • F17C2203/0695 - pre-constrained
  • F17C2205/0379 - Manholes or access openings for human beings
  • F17C2221/035 - Propane butane
  • F17C2223/0153 - Liquefied gas
  • F17C2223/033 - Small pressure
  • F17C2227/0135 - Pumps
  • F17C2270/0147 - by burying vessels
  • F17C2270/016 - onshore

• US Classifications

  • 052 - Static structures
  • 405 - Hydraulic and earth engineering