Hierarchy/Derived subclasses
99 / 275 | -> 279 | -> 300 | -> 302r | -> 302fb |
uspto searches
Patent Apps in 99/302FBGranted Patents in 99/302FB
Use the links above or do an advanced search in ppubs for:
()
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.