Hierarchy/Derived subclasses
435 / 41 | -> 69.1 | -> 69.5 | -> 69.51 |
uspto searches
Patent Apps in 435/69.51Granted Patents in 435/69.51
Use the links above or do an advanced search in ppubs for:
(435/69.51.ccls.)
This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.