Hierarchy/Derived subclasses
| 312 / 34.1 | -> 34.2 | -> 34.3 | |||
| -> 34.4 | -> 34.5 | -> 34.6 | |||
| -> 34.7 | |||||
| -> 34.8 | -> 34.9 | -> 34.11 | -> 34.12 | ||
| -> 34.13 | -> 34.14 | ||||
| -> 34.15 | |||||
| -> 34.16 | |||||
| -> 34.17 | |||||
| -> 34.18 | |||||
| -> 34.19 | -> 34.21 | ||||
| -> 34.22 | |||||
| -> 34.23 | |||||
| -> 34.24 |
uspto searches
Patent Apps in 312/34.1Granted Patents in 312/34.1
Use the links above or do an advanced search in ppubs for:
(312/34.1.ccls. or 312/34.2.ccls. or 312/34.3.ccls. or 312/34.4.ccls. or 312/34.5.ccls. or 312/34.6.ccls. or 312/34.7.ccls. or 312/34.8.ccls. or 312/34.9.ccls. or 312/34.11.ccls. or 312/34.12.ccls. or 312/34.13.ccls. or 312/34.14.ccls. or 312/34.15.ccls. or 312/34.16.ccls. or 312/34.17.ccls. or 312/34.18.ccls. or 312/34.19.ccls. or 312/34.21.ccls. or 312/34.22.ccls. or 312/34.23.ccls. or 312/34.24.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.