Canadian Subclass Details

Description: 183 / (72) Filtration (99) Pleated (100) Multiple Rows (101) With Spacer Between Rows

Hierarchy/Derived subclasses

183 / 72

-> 99

-> 100

-> 101

CIPO search

search just 183/101

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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