Hierarchy/Derived subclasses
277 / 345 | -> 409 | -> 410 | ||||
-> 411 | -> 412 | -> 413 | ||||
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uspto searches
Patent Apps in 277/409Granted Patents in 277/409
Use the links above or do an advanced search in ppubs for:
(277/409.ccls. or 277/410.ccls. or 277/411.ccls. or 277/412.ccls. or 277/413.ccls. or 277/414.ccls. or 277/415.ccls. or 277/416.ccls. or 277/417.ccls. or 277/418.ccls. or 277/419.ccls. or 277/420.ccls. or 277/421.ccls. or 277/422.ccls. or 277/423.ccls. or 277/424.ccls. or 277/425.ccls. or 277/426.ccls. or 277/427.ccls. or 277/428.ccls. or 277/429.ccls. or 277/430.ccls. or 277/431.ccls. or 277/432.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.