Hierarchy/Derived subclasses
| 68 / 42 | -> 43 | -> 44 |
CIPO search
search just 68/44This 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: 68 / (42) Elements Or Accessories (43) Fluid Supply or Exhaust (44) With Treatment of Fluid
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.