Hierarchy/Derived subclasses
| 323 / 20 | -> 21 |
CIPO search
search just 323/21This 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: 323 / (20) Phase-Shifting Systems (21) Variable Phase Shift
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.