USPC Class Details – HistoricIP

Description: 16 miscellaneous hardware (e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.) / 16 miscellaneous hardware (e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.)/(221) hinge (229) retractable pintle

Hierarchy/Derived subclasses

16 / 221

-> 229

-> 230

uspto searches

Patent Apps in 16/229

Granted Patents in 16/229

Use the links above or do an advanced search in ppubs for:
(16/229.ccls. or 16/230.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.