Description: 270 / (164) Sheet Material Separating Means (For Single Sheet Or Specified Number) (166) Preventing Interlock of Tabbed or Slotted Sheets
Hierarchy/Derived subclasses
CIPO search
search just 270/166This 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.