Hierarchy/Derived subclasses
438 / 142 | -> 149 | -> 150 | ||
-> 151 | -> 152 | -> 153 | ||
-> 154 | ||||
-> 155 | ||||
-> 156 | ||||
-> 157 | ||||
-> 158 | -> 159 | |||
-> 160 | ||||
-> 161 | ||||
-> 162 | ||||
-> 163 | ||||
-> 164 | -> 165 | |||
-> 166 |
uspto searches
Patent Apps in 438/149Granted Patents in 438/149
Use the links above or do an advanced search in ppubs for:
(438/149.ccls. or 438/150.ccls. or 438/151.ccls. or 438/152.ccls. or 438/153.ccls. or 438/154.ccls. or 438/155.ccls. or 438/156.ccls. or 438/157.ccls. or 438/158.ccls. or 438/159.ccls. or 438/160.ccls. or 438/161.ccls. or 438/162.ccls. or 438/163.ccls. or 438/164.ccls. or 438/165.ccls. or 438/166.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.