USPC Class Details

Description: 75 specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures / 75 specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures/(330) processes (388) preparing for amalgamation, preparing and amalgamating, or breaking amalgam to produce free metal (389) and displacing with a metal other than mercury(hg)

Hierarchy/Derived subclasses

75 / 330-> 388-> 389-> hg

uspto searches

Patent Apps in 75/389

Granted Patents in 75/389

Use the links above or do an advanced search in ppubs for:
(75/389.ccls. or 75/hg.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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