2818191

Information

• Patent Grant
• 2818191

• References
• Source

• Patent Number

  2,818,191

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1957
  67 years ago

• CPC

  • F17C1/08 - Integral reinforcements
  • B65D90/025 - with features of spheroidal curvature
  • F17C2201/0152 - Lobes
  • F17C2201/052 - large (>1000 m3)
  • F17C2203/013 - in the vessel
  • F17C2203/0617 - with one layer
  • F17C2203/0636 - Metals
  • F17C2205/018 - Supporting feet
  • F17C2209/221 - Welding
  • F17C2209/228 - by screws, bolts or rivets
  • F17C2221/031 - Air
  • F17C2223/0123 - gaseous
  • F17C2223/038 - Subatmospheric pressure
  • F17C2270/0134 - placed above the ground
  • F17C2270/05 - for industrial use

• US Classifications

  • 220 - Receptacles