USPC Class Details

Description: D18 printing and office machinery / d18 printing and office machinery/(24) type or type face (28) script type

Hierarchy/Derived subclasses

D18 / 24-> 28

uspto searches

Patent Apps in D18/28

Granted Patents in D18/28

Use the links above or do an advanced search in ppubs for:
(D18/28.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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