USPC Class Details

Description: 436 chemistry: analytical and immunological testing / 436 chemistry: analytical and immunological testing/(73) metal or metal containing (81) zn, cd, hg, sc, y, or actinides, or lanthanides

Hierarchy/Derived subclasses

436 / 73-> 81-> 82

uspto searches

Patent Apps in 436/81

Granted Patents in 436/81

Use the links above or do an advanced search in ppubs for:
(436/81.ccls. or 436/82.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.
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