USPC Class Details

Description: 505 superconductor technology: apparatus, material, process / 505 superconductor technology: apparatus, material, process/(825) apparatus, per se, device, per se, or process of making or operating same (902) railway (e.g., rapid transit, etc.): (class 104) (903) suspension (e.g., magnetic, electrodynamic, etc.) (906) switching device (i.e., electrical not railway stock diverting)

Hierarchy/Derived subclasses

505 / 825-> 902-> 903-> 906

uspto searches

Patent Apps in 505/906

Granted Patents in 505/906

Use the links above or do an advanced search in ppubs for:
(505/906.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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