Hierarchy/Derived subclasses
| 165 / 1 | -> 28 | -> 33 |
CIPO search
search just 165/33This 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: 165 / (1) Gas/Liquid Contact (28) Porous Mass or Sheet (33) With Capillary Feed
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.