1948477

Information

• Patent Grant
• 1948477

• References
• Source

• Patent Number

  1,948,477

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1934
  90 years ago

• CPC

  • F17C1/04 - Protecting sheathings
  • F17C2201/0128 - spherical or elliptical
  • F17C2201/056 - Small (<1 m3)
  • F17C2201/058 - portable (<30 l)
  • F17C2203/012 - on or in the wall
  • F17C2203/015 - Bars
  • F17C2203/0383 - Air
  • F17C2203/0619 - with two layers
  • F17C2203/0629 - Two walls
  • F17C2203/0636 - Metals
  • F17C2205/0302 - Fittings, valves, filters, or components in connection with the gas storage device
  • F17C2205/0397 - on both sides of the pressure vessel
  • F17C2209/221 - Welding
  • F17C2209/232 - of walls
  • F17C2223/0153 - Liquefied gas
  • F17C2223/033 - Small pressure
  • F17C2260/011 - Improving strength
  • F17C2260/033 - by enhancing insulation
  • Y10S220/901 - Liquified gas content, cryogenic

• US Classifications

  • 220 - Receptacles