Description: 114 / (58) Floating Structures (60.5) Preservers, Body Worn or Attached (60.6) With Inflation Means (61) Hand Operated Bellows or Pump
Hierarchy/Derived subclasses
CIPO search
search just 114/61This 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.