Description: 270 / (1) Logs, Lumber And Long Bar Stock (Unscrambling On Conveyor 201/82) (5) From a Pile
Hierarchy/Derived subclasses
CIPO search
search just 270/5This 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.