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/(200) stairway assist for individual or minor barrier (e.g., curb) lift for impaired individual (201) mounted adjacent stairway for travel parallel thereto (202) having specific means contacting or on load support for stopping thereof

Hierarchy/Derived subclasses

187 / 200

-> 201

-> 202

uspto searches

Patent Apps in 187/202

Granted Patents in 187/202

Use the links above or do an advanced search in ppubs for:
(187/202.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.