USPC Class Details

Description: 436 chemistry: analytical and immunological testing / 436 chemistry: analytical and immunological testing/(139) hydrocarbon (141) acyclic (e.g., methane, octane, isoparaffin, etc.) (142) unsaturated (e.g., ethylene, diene, etc.)

Hierarchy/Derived subclasses

436 / 139

-> 141

-> 142

uspto searches

Patent Apps in 436/142

Granted Patents in 436/142

Use the links above or do an advanced search in ppubs for:
(436/142.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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