Hierarchy/Derived subclasses
49 / 208 | -> 236 | -> 240 | -> 242 | -> 243 |
uspto searches
Patent Apps in 49/243Granted Patents in 49/243
Use the links above or do an advanced search in ppubs for:
(49/243.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.