Hierarchy/Derived subclasses
| 253 / 1 | -> 2.5 |
CIPO search
search just 253/2.5This 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: 253 / (1) Lubricants (2.5) Fluorescent or Color Imparting
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.