Description: 114 / (58) Floating Structures (58.2) Drilling and Working, Platforms (58.3) With Relative Movement Between Platform and Stabilizers (58.4) By Ballasting or Deballasting
Hierarchy/Derived subclasses
CIPO search
search just 114/58.4This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find
patents in those subclasses.