Canadian Subclass Details

Description: 129 / (4) Loose Leaf Binders (5) Sheet Fasteners (6) Extensible (8) Flexible (9) Slack Take-Up

Hierarchy/Derived subclasses

129 / 4

-> 5

-> 6

-> 8

-> 9

CIPO search

search just 129/9

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.