USPC Class Details

Description: 429 chemistry: electrical current producing apparatus, product, and process / 429 chemistry: electrical current producing apparatus, product, and process/(400) fuel cell, subcombination thereof, or method of making or operating (479) fuel cell with solid electrolyte (482) specified electrode/electrolyte combination

Hierarchy/Derived subclasses

429 / 400-> 479-> 482-> 483-> mea

uspto searches

Patent Apps in 429/482

Granted Patents in 429/482

Use the links above or do an advanced search in ppubs for:
(429/482.ccls. or 429/483.ccls. or 429/mea.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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