Hierarchy/Derived subclasses
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uspto searches
Patent Apps in 226/10Granted Patents in 226/10
Use the links above or do an advanced search in ppubs for:
(226/10.ccls. or 226/11.ccls. or 226/12.ccls. or 226/13.ccls. or 226/14.ccls. or 226/15.ccls. or 226/16.ccls. or 226/17.ccls. or 226/18.ccls. or 226/19.ccls. or 226/20.ccls. or 226/21.ccls. or 226/22.ccls. or 226/23.ccls. or 226/24.ccls. or 226/25.ccls. or 226/26.ccls. or 226/27.ccls. or 226/28.ccls. or 226/29.ccls. or 226/30.ccls. or 226/31.ccls. or 226/32.ccls. or 226/33.ccls. or 226/34.ccls. or 226/35.ccls. or 226/36.ccls. or 226/37.ccls. or 226/38.ccls. or 226/39.ccls. or 226/40.ccls. or 226/41.ccls. or 226/42.ccls. or 226/43.ccls. or 226/44.ccls. or 226/45.ccls.)
At about 35 search terms the uspto will give you this error "Too many search terms" The 35th term is bold.
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.