Hierarchy/Derived subclasses
| 171 / 111 | -> 112 | ||
| -> 113 | |||
| -> 114 | -> 115 | ||
| -> 116 | |||
| -> 117 | -> 118 | ||
| -> 119 | |||
| -> 120 | |||
| -> 121 | |||
| -> 122 | |||
| -> 123 | |||
| -> 124 | -> 125 | ||
| -> 126 | -> 127 | ||
| -> 128 | |||
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| -> 130 | |||
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| -> 136 |
uspto searches
Patent Apps in 171/111Granted Patents in 171/111
Use the links above or do an advanced search in ppubs for:
(171/111.ccls. or 171/112.ccls. or 171/113.ccls. or 171/114.ccls. or 171/115.ccls. or 171/116.ccls. or 171/117.ccls. or 171/118.ccls. or 171/119.ccls. or 171/120.ccls. or 171/121.ccls. or 171/122.ccls. or 171/123.ccls. or 171/124.ccls. or 171/125.ccls. or 171/126.ccls. or 171/127.ccls. or 171/128.ccls. or 171/129.ccls. or 171/130.ccls. or 171/131.ccls. or 171/132.ccls. or 171/133.ccls. or 171/134.ccls. or 171/135.ccls. or 171/136.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.