Canadian Subclass Details

Description: 183 / (72) Filtration (83) Bag-Type (84) Vacuum-Cleaner-Type (85) Self-Sealing

Hierarchy/Derived subclasses

183 / 72

-> 83

-> 84

-> 85

CIPO search

search just 183/85

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.