Hierarchy/Derived subclasses
| 296 / 1.01 | -> 181.1 | -> 181.2 | -> 181.3 | ||
| -> 181.4 | |||||
| -> 181.5 | |||||
| -> 181.6 | |||||
| -> 181.7 | |||||
| -> 182.1 | -> 183.1 | -> 183.2 | |||
| -> 184.1 | |||||
| -> 185.1 | |||||
| -> 186.1 | -> 186.2 | ||||
| -> 186.3 | |||||
| -> 186.4 | -> 186.5 |
uspto searches
Patent Apps in 296/181.1Granted Patents in 296/181.1
Use the links above or do an advanced search in ppubs for:
(296/181.1.ccls. or 296/181.2.ccls. or 296/181.3.ccls. or 296/181.4.ccls. or 296/181.5.ccls. or 296/181.6.ccls. or 296/181.7.ccls. or 296/182.1.ccls. or 296/183.1.ccls. or 296/183.2.ccls. or 296/184.1.ccls. or 296/185.1.ccls. or 296/186.1.ccls. or 296/186.2.ccls. or 296/186.3.ccls. or 296/186.4.ccls. or 296/186.5.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.