Hierarchy/Derived subclasses
435 / 41 | -> 132 | -> 155 | -> 157 | -> 161 | -> 163 | -> 164 |
-> 165 |
uspto searches
Patent Apps in 435/163Granted Patents in 435/163
Use the links above or do an advanced search in ppubs for:
(435/163.ccls. or 435/164.ccls. or 435/165.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.