Hierarchy/Derived subclasses
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uspto searches
Patent Apps in 427/457Granted Patents in 427/457
Use the links above or do an advanced search in ppubs for:
(427/457.ccls. or 427/458.ccls. or 427/459.ccls. or 427/460.ccls. or 427/461.ccls. or 427/462.ccls. or 427/463.ccls. or 427/464.ccls. or 427/465.ccls. or 427/466.ccls. or 427/467.ccls. or 427/468.ccls. or 427/469.ccls. or 427/470.ccls. or 427/471.ccls. or 427/472.ccls. or 427/473.ccls. or 427/474.ccls. or 427/475.ccls. or 427/476.ccls. or 427/477.ccls. or 427/478.ccls. or 427/479.ccls. or 427/480.ccls. or 427/481.ccls. or 427/482.ccls. or 427/483.ccls. or 427/484.ccls. or 427/485.ccls. or 427/486.ccls. or 427/487.ccls. or 427/488.ccls. or 427/489.ccls. or 427/490.ccls. or 427/491.ccls. or 427/492.ccls. or 427/493.ccls. or 427/494.ccls. or 427/495.ccls. or 427/496.ccls. or 427/497.ccls. or 427/498.ccls. or 427/499.ccls. or 427/500.ccls. or 427/501.ccls. or 427/502.ccls. or 427/503.ccls. or 427/504.ccls. or 427/505.ccls. or 427/506.ccls. or 427/507.ccls. or 427/508.ccls. or 427/509.ccls. or 427/510.ccls. or 427/511.ccls. or 427/512.ccls. or 427/513.ccls. or 427/514.ccls. or 427/515.ccls. or 427/516.ccls. or 427/517.ccls. or 427/518.ccls. or 427/519.ccls. or 427/520.ccls. or 427/521.ccls. or 427/522.ccls. or 427/523.ccls. or 427/524.ccls. or 427/525.ccls. or 427/526.ccls. or 427/527.ccls. or 427/529.ccls. or 427/530.ccls. or 427/528.ccls. or 427/531.ccls. or 427/532.ccls. or 427/533.ccls. or 427/534.ccls. or 427/535.ccls. or 427/536.ccls. or 427/537.ccls. or 427/538.ccls. or 427/539.ccls. or 427/540.ccls. or 427/541.ccls. or 427/542.ccls. or 427/543.ccls. or 427/544.ccls. or 427/545.ccls. or 427/546.ccls. or 427/547.ccls. or 427/548.ccls. or 427/549.ccls. or 427/550.ccls. or 427/551.ccls. or 427/552.ccls. or 427/553.ccls. or 427/554.ccls. or 427/555.ccls. or 427/556.ccls. or 427/557.ccls. or 427/558.ccls. or 427/559.ccls. or 427/560.ccls. or 427/561.ccls. or 427/562.ccls. or 427/563.ccls. or 427/564.ccls. or 427/565.ccls. or 427/566.ccls. or 427/567.ccls. or 427/568.ccls. or 427/569.ccls. or 427/570.ccls. or 427/571.ccls. or 427/572.ccls. or 427/573.ccls. or 427/574.ccls. or 427/575.ccls. or 427/576.ccls. or 427/577.ccls. or 427/578.ccls. or 427/579.ccls. or 427/580.ccls. or 427/581.ccls. or 427/582.ccls. or 427/583.ccls. or 427/584.ccls. or 427/585.ccls. or 427/586.ccls. or 427/587.ccls. or 427/588.ccls. or 427/589.ccls. or 427/590.ccls. or 427/591.ccls. or 427/592.ccls. or 427/593.ccls. or 427/594.ccls. or 427/595.ccls. or 427/596.ccls. or 427/597.ccls. or 427/598.ccls. or 427/599.ccls. or 427/600.ccls. or 427/601.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.