Hierarchy/Derived subclasses
| 313 / 179 | -> 187 |
CIPO search
search just 313/187This 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 / (179) Electrode And Shield Structures (187) Cathodes Containing or Coated with Electron Emissive Material
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.