Hierarchy/Derived subclasses
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uspto searches
Patent Apps in 510/276Granted Patents in 510/276
Use the links above or do an advanced search in ppubs for:
(510/276.ccls. or 510/277.ccls. or 510/278.ccls. or 510/279.ccls. or 510/280.ccls. or 510/281.ccls. or 510/282.ccls. or 510/283.ccls. or 510/284.ccls. or 510/285.ccls. or 510/286.ccls. or 510/287.ccls. or 510/288.ccls. or 510/289.ccls. or 510/290.ccls. or 510/291.ccls. or 510/292.ccls. or 510/293.ccls. or 510/294.ccls. or 510/295.ccls. or 510/296.ccls. or 510/297.ccls. or 510/298.ccls. or 510/299.ccls. or 510/300.ccls. or 510/301.ccls. or 510/302.ccls. or 510/303.ccls. or 510/304.ccls. or 510/305.ccls. or 510/306.ccls. or 510/307.ccls. or 510/308.ccls. or 510/309.ccls. or 510/310.ccls. or 510/311.ccls. or 510/312.ccls. or 510/313.ccls. or 510/314.ccls. or 510/315.ccls. or 510/316.ccls. or 510/317.ccls. or 510/318.ccls. or 510/319.ccls. or 510/320.ccls. or 510/321.ccls. or 510/322.ccls. or 510/323.ccls. or 510/324.ccls. or 510/325.ccls. or 510/326.ccls. or 510/327.ccls. or 510/328.ccls. or 510/329.ccls. or 510/330.ccls. or 510/331.ccls. or 510/332.ccls. or 510/333.ccls. or 510/334.ccls. or 510/335.ccls. or 510/336.ccls. or 510/337.ccls. or 510/338.ccls. or 510/339.ccls. or 510/340.ccls. or 510/341.ccls. or 510/342.ccls. or 510/343.ccls. or 510/344.ccls. or 510/345.ccls. or 510/346.ccls. or 510/347.ccls. or 510/348.ccls. or 510/349.ccls. or 510/350.ccls. or 510/351.ccls. or 510/352.ccls. or 510/353.ccls. or 510/354.ccls. or 510/355.ccls. or 510/356.ccls. or 510/357.ccls. or 510/358.ccls. or 510/359.ccls. or 510/360.ccls. or 510/oxyalkylene.ccls. or 510/361.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.