Hierarchy/Derived subclasses
| 313 / 111 | -> 131 |
CIPO search
search just 313/131This 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 / (111) Envelope With Gas Or Vapor (131) With Emissive 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.