USPC Class Details

Description: D14 recording, communication, or information retrieval equipment / d14 recording, communication, or information retrieval equipment/(496) video or audio transmission, recording or playback equipment (498) disc type player or recorder (500) shelf type

Hierarchy/Derived subclasses

D14 / 496	-> 498	-> 500	-> 501
			-> 502	-> 503	-> 504
				-> 505	-> 506

uspto searches

Patent Apps in D14/500

Granted Patents in D14/500

Use the links above or do an advanced search in ppubs for:
(D14/500.ccls. or D14/501.ccls. or D14/502.ccls. or D14/503.ccls. or D14/504.ccls. or D14/505.ccls. or D14/506.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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