Canadian Subclass Details

Description: 183 / (72) Filtration (83) Bag-Type (89) With Cleaning (90) Sonic

Hierarchy/Derived subclasses

183 / 72

-> 83

-> 89

-> 90

CIPO search

search just 183/90

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.

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