2513749

Information

• Patent Grant
• 2513749

• References
• Source

• Patent Number

  2,513,749

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1950
  74 years ago

• CPC

  • F16L59/06 - Arrangements using an air layer or vacuum
  • F17C3/08 - by vacuum spaces
  • F17C2201/0109 - with exteriorly curved end-piece
  • F17C2201/035 - with substantially horizontal main axis
  • F17C2203/015 - Bars
  • F17C2203/0325 - Aerogel
  • F17C2203/035 - Glass wool
  • F17C2203/0387 - Cryogen
  • F17C2203/0391 - by vacuum
  • F17C2203/0629 - Two walls
  • F17C2203/0636 - Metals
  • F17C2221/011 - Oxygen
  • F17C2221/013 - Carbone dioxide
  • F17C2221/014 - Nitrogen
  • F17C2221/018 - Acetylene
  • F17C2221/031 - Air
  • F17C2221/033 - Methane
  • F17C2223/0161 - cryogenic
  • F17C2223/033 - Small pressure
  • F17C2260/033 - by enhancing insulation
  • Y10S62/13 - Insulation
  • Y10S220/901 - Liquified gas content, cryogenic
  • Y10S220/918 - Spacing element for separating the walls of a spaced-wall container

• US Classifications

  • 062 - Refrigeration
  • 220 - Receptacles
  • 405 - Hydraulic and earth engineering