Canadian Subclass Details

Description: 182 / (19) Filters (105) Surface-Type (e.g., Screens) (116) With Cleaning (117) Scraper

Hierarchy/Derived subclasses

182 / 19

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-> 116

-> 117

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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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