USPC Class Details

Description: D8 tools and hardware / d8 tools and hardware/(14) other tools and implements (33) can or bottle opener (40) hand-held and manipulated

Hierarchy/Derived subclasses

D8 / 14-> 33-> 40-> 41-> 42
    -> 43

uspto searches

Patent Apps in D8/40

Granted Patents in D8/40

Advanced search in patft or appft for the hierarchy would be:
(ccl/D8/40 or ccl/D8/41 or ccl/D8/42 or ccl/D8/43)

Press the Search button below to send the query to the USPTO site. (Granted patents search)

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.