Hierarchy/Derived subclasses
| 183 / 72 | -> 93 | -> 95 |
CIPO search
search just 183/95This 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: 183 / (72) Filtration (93) Cylindrical With Radial Flow (e.g., Cartridges) (95) With Sound Attenuation
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.