Hierarchy/Derived subclasses
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uspto searches
Patent Apps in 358/448Granted Patents in 358/448
Use the links above or do an advanced search in ppubs for:
(358/448.ccls. or 358/461.ccls. or 358/449.ccls. or 358/450.ccls. or 358/451.ccls. or 358/452.ccls. or 358/453.ccls. or 358/462.ccls. or 358/463.ccls. or 358/464.ccls. or 358/465.ccls. or 358/466.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.