USPC Class Details

Description: 271 sheet feeding or delivering / 271 sheet feeding or delivering/(3.14) feeding and delivering (3.18) conveyor releases to subsequent conveyor (3.21) on peripheral face of drum or belt (3.22) pneumatic

Hierarchy/Derived subclasses

271 / 3.14-> 3.18-> 3.21-> 3.22

uspto searches

Patent Apps in 271/3.22

Granted Patents in 271/3.22

Use the links above or do an advanced search in ppubs for:
(271/3.22.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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