Hierarchy/Derived subclasses
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uspto searches
Patent Apps in 368/62Granted Patents in 368/62
Use the links above or do an advanced search in ppubs for:
(368/62.ccls. or 368/63.ccls. or 368/64.ccls. or 368/65.ccls. or 368/66.ccls. or 368/67.ccls. or 368/68.ccls. or 368/69.ccls. or 368/70.ccls. or 368/71.ccls. or 368/72.ccls. or 368/73.ccls. or 368/74.ccls. or 368/75.ccls. or 368/76.ccls. or 368/77.ccls. or 368/78.ccls. or 368/79.ccls. or 368/80.ccls. or 368/81.ccls. or 368/82.ccls. or 368/83.ccls. or 368/84.ccls. or 368/85.ccls. or 368/86.ccls. or 368/87.ccls. or 368/88.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.