Canadian Subclass Details

Description: 129 / (4) Loose Leaf Binders (5) Sheet Fasteners (17) Projecting (19) Arch Type (20) Rotating

Hierarchy/Derived subclasses

129 / 4

-> 5

-> 17

-> 19

-> 20

CIPO search

search just 129/20

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.