USPC Class Details

Description: 503 record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor / 503 record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor/(227) having plural interactive leaves

Hierarchy/Derived subclasses

503 / 227

uspto searches

Patent Apps in 503/227

Granted Patents in 503/227

Use the links above or do an advanced search in ppubs for:
(503/227.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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