Hierarchy/Derived subclasses
| 313 / 140 | -> 152 | -> 159 |
CIPO search
search just 313/159This 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: 313 / (140) With Support Or Spacer For Electrode Or Shield (152) For Filament (159) Tension Device for Filament
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.