USPC Class Details

Description: D8 tools and hardware / d8 tools and hardware/(330) locking or closing device (17) (331) lock, latch or bolt (17) (339) sliding into engagement (340) chained bolt

Hierarchy/Derived subclasses

D8 / 330

-> 17

-> 331

-> 339

-> 340

uspto searches

Patent Apps in D8/340

Granted Patents in D8/340

Use the links above or do an advanced search in ppubs for:
(D8/340.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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