Canadian Subclass Details

Description: 182 / (19) Filters (31) Movable Medium (49) Belt-and-Drum (51) String-Type

Hierarchy/Derived subclasses

182 / 19

-> 31

-> 49

-> 51

CIPO search

search just 182/51

This 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.