Hierarchy/Derived subclasses
| 473 / 131 | -> 207 | -> 212 | -> 214 |
uspto searches
Patent Apps in 473/214Granted Patents in 473/214
Use the links above or do an advanced search in ppubs for:
(473/214.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.