3646765

Information

• Patent Grant
• 3646765

• References
• Source

• Patent Number

  3,646,765

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  52 years ago

• CPC

  • 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
  • F17C2203/0614 - Single wall
  • F17C2203/0678 - Concrete
  • F17C2221/033 - Methane
  • F17C2223/0161 - cryogenic
  • F17C2223/033 - Small pressure
  • F17C2223/045 - with a dip tube
  • F17C2223/047 - with a dip tube
  • F17C2225/045 - with a dip tube
  • F17C2225/047 - with a dip tube
  • F17C2250/0626 - Pressure
  • F17C2270/0147 - by burying vessels

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 062 - Refrigeration