USPC Class Details

Description: D14 recording, communication, or information retrieval equipment / d14 recording, communication, or information retrieval equipment/(474) recording media or carrier (475) cassette for tape

Hierarchy/Derived subclasses

D14 / 474	-> 475	-> 476
		-> 477

uspto searches

Patent Apps in D14/475

Granted Patents in D14/475

Use the links above or do an advanced search in ppubs for:
(D14/475.ccls. or D14/476.ccls. or D14/477.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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