Hierarchy/Derived subclasses
| 313 / 140 | -> 151 |
CIPO search
search just 313/151This 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 (151) For Indirectly Heated Cathode
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.