Hierarchy/Derived subclasses
264 / 1.1 | -> 1.36 | -> 1.38 |
uspto searches
Patent Apps in 264/1.38Granted Patents in 264/1.38
Use the links above or do an advanced search in ppubs for:
(264/1.38.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.