Canadian Subclass Details

Description: 182 / (19) Filters (105) Surface-Type (e.g., Screens) (116) With Cleaning

Hierarchy/Derived subclasses

182 / 19-> 105-> 116-> 117

CIPO searches

search just 182/116

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((182/116 <IN> CPC) <OR> (182/117 <IN> CPC))

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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