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 (342) including closure bodily carried along shaft by load support

Hierarchy/Derived subclasses

187 / 336

-> 342

uspto searches

Patent Apps in 187/342

Granted Patents in 187/342

Use the links above or do an advanced search in ppubs for:
(187/342.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.