Hierarchy/Derived subclasses
| PLT / 156 | -> 180 | -> 181 | -> 182 | |
| -> 183 | ||||
| -> 184 | -> 185 | |||
| -> 186 | ||||
| -> 187 | -> 188 | |||
| -> 189 | ||||
| -> 190 | -> 191 | |||
| -> 192 | -> 193 | |||
| -> 194 | -> 195 | |||
| -> 196 | ||||
| -> 197 | ||||
| -> 198 | -> 199 |
uspto searches
Patent Apps in PLT/180Granted Patents in PLT/180
Use the links above or do an advanced search in ppubs for:
(PLT/180.ccls. or PLT/181.ccls. or PLT/182.ccls. or PLT/183.ccls. or PLT/184.ccls. or PLT/185.ccls. or PLT/186.ccls. or PLT/187.ccls. or PLT/188.ccls. or PLT/189.ccls. or PLT/190.ccls. or PLT/191.ccls. or PLT/192.ccls. or PLT/193.ccls. or PLT/194.ccls. or PLT/195.ccls. or PLT/196.ccls. or PLT/197.ccls. or PLT/198.ccls. or PLT/199.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.