USPC Class Details

Description: 318 electricity: motive power systems / 318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (646) with force or weight measuring instruments

Hierarchy/Derived subclasses

318 / 560

-> 638

-> 646

uspto searches

Patent Apps in 318/646

Granted Patents in 318/646

Use the links above or do an advanced search in ppubs for:
(318/646.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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