2117314

Information

• Patent Grant
• 2117314

• References
• Source

• Patent Number

  2,117,314

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1938
  87 years ago

• CPC

  • F17C3/00 - Vessels not under pressure
  • F17C2201/0128 - spherical or elliptical
  • F17C2201/0142 - conical
  • F17C2201/0147 - complex
  • F17C2201/052 - large (>1000 m3)
  • F17C2203/013 - in the vessel
  • F17C2203/0639 - Steels
  • F17C2203/0678 - Concrete
  • F17C2205/0184 - Attachments to the ground
  • F17C2209/228 - by screws, bolts or rivets
  • F17C2260/012 - Reducing weight
  • F17C2260/013 - Reducing manufacturing time or effort
  • F17C2260/032 - Avoiding freezing or defrosting
  • F17C2270/0134 - placed above the ground
  • F17C2270/0142 - placed underground

• US Classifications

  • 220 - Receptacles
  • D11 - Jewelry, symbolic insignia, and ornaments