USPC Class Details – HistoricIP

Description: 187 elevator, industrial lift truck, or stationary lift for vehicle / 187 elevator, industrial lift truck, or stationary lift for vehicle/(336) with closure means for shaft opening through landing (340) including transversely sliding closure

Hierarchy/Derived subclasses

187 / 336

-> 340

-> 341

uspto searches

Patent Apps in 187/340

Granted Patents in 187/340

Use the links above or do an advanced search in ppubs for:
(187/340.ccls. or 187/341.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.