Description: 70 / (12) Special Application (25) For Closures (35) For Doors, Gates, Windows (38) Sliding Bolt (39) Gravity Projected
Hierarchy/Derived subclasses
CIPO search
search just 70/39This 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.