Hierarchy/Derived subclasses
| 182 / 19 | -> 90 | -> 91 |
CIPO search
search just 182/91This 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.
Canadian Subclass Details
Description: 182 / (19) Filters (90) Leaf (91) With Cleaning
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.
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.