Hierarchy/Derived subclasses
| 70 / 53 | -> 54 | -> 55 |
CIPO search
search just 70/55This 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: 70 / (53) Key-Tumbler Mechanisms (54) Cylinder- and Barrel-Type (55) Pin Tumblers
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.