Hierarchy/Derived subclasses
242 / 370 | -> 223 | -> 249 | -> 264 | -> 267 |
uspto searches
Patent Apps in 242/267Granted Patents in 242/267
Use the links above or do an advanced search in ppubs for:
(242/267.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.