3344607

Information

• Patent Grant
• 3344607

• References
• Source

• Patent Number

  3,344,607

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1967
  57 years ago

• CPC

  • F17C3/005 - Underground or underwater containers or vessels
  • F17C2201/0109 - with exteriorly curved end-piece
  • F17C2201/0119 - with flat end-piece
  • F17C2203/0329 - Foam
  • F17C2203/0383 - Air
  • F17C2221/033 - Methane
  • F17C2221/035 - Propane butane
  • F17C2223/0161 - cryogenic
  • F17C2223/033 - Small pressure
  • F17C2260/038 - Detecting leaked fluid
  • F17C2270/0149 - by digging cavities

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 062 - Refrigeration