Hierarchy/Derived subclasses
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uspto searches
Patent Apps in 463/1Granted Patents in 463/1
Use the links above or do an advanced search in ppubs for:
(463/1.ccls. or 463/2.ccls. or 463/3.ccls. or 463/4.ccls. or 463/5.ccls. or 463/6.ccls. or 463/7.ccls. or 463/8.ccls. or 463/9.ccls. or 463/10.ccls. or 463/11.ccls. or 463/12.ccls. or 463/13.ccls. or 463/14.ccls. or 463/15.ccls. or 463/16.ccls. or 463/17.ccls. or 463/18.ccls. or 463/19.ccls. or 463/20.ccls. or 463/21.ccls. or 463/22.ccls. or 463/23.ccls. or 463/24.ccls. or 463/25.ccls. or 463/26.ccls. or 463/27.ccls. or 463/28.ccls. or 463/29.ccls. or 463/30.ccls. or 463/31.ccls. or 463/32.ccls. or 463/33.ccls. or 463/34.ccls. or 463/35.ccls. or 463/36.ccls. or 463/37.ccls. or 463/38.ccls. or 463/39.ccls. or 463/40.ccls. or 463/41.ccls. or 463/42.ccls. or 463/43.ccls. or 463/44.ccls. or 463/45.ccls. or 463/46.ccls. or 463/47.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.