USPC Class Details

Description: D18 printing and office machinery / d18 printing and office machinery/(50) printing equipment (54) text or data printer (7) (55) with slot, tray or channel for side feed or discharge (8)

Hierarchy/Derived subclasses

D18 / 50

-> 54

-> 7

-> 55

-> 8

uspto searches

Patent Apps in D18/55

Granted Patents in D18/55

Use the links above or do an advanced search in ppubs for:
(D18/55.ccls. or D18/8.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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