Hierarchy/Derived subclasses
D14 / 300 | -> 314 | -> 333 | -> 334 | -> 335 |
uspto searches
Patent Apps in D14/334Granted Patents in D14/334
Use the links above or do an advanced search in ppubs for:
(D14/334.ccls. or D14/335.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.