Hierarchy/Derived subclasses
| 292 / 2 | -> 137 | -> 163 | -> 164 | -> 169 | -> 169.11 | -> 169.12 | |
| -> 169.13 | |||||||
| -> 169.14 | -> 169.15 | -> 169.16 | |||||
| -> 169.17 | |||||||
| -> 169.18 | |||||||
| -> 169.19 | |||||||
| -> 169.21 | -> 169.22 | ||||||
| -> 169.23 |
uspto searches
Patent Apps in 292/169Granted Patents in 292/169
Use the links above or do an advanced search in ppubs for:
(292/169.ccls. or 292/169.11.ccls. or 292/169.12.ccls. or 292/169.13.ccls. or 292/169.14.ccls. or 292/169.15.ccls. or 292/169.16.ccls. or 292/169.17.ccls. or 292/169.18.ccls. or 292/169.19.ccls. or 292/169.21.ccls. or 292/169.22.ccls. or 292/169.23.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.