Hierarchy/Derived subclasses
| 72 / 138 | -> 141 |
CIPO search
search just 72/141This 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: 72 / (138) Joints (141) Seals and Waterstops
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.