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 (188) radio receiver, tuner or amplifier, or housing therefor

Hierarchy/Derived subclasses

D14 / 496	-> 188	-> 189	-> 190
		-> 191
		-> 192
		-> 193
		-> 194	-> 195
			-> 196
		-> 197	-> 198

uspto searches

Patent Apps in D14/188

Granted Patents in D14/188

Use the links above or do an advanced search in ppubs for:
(D14/188.ccls. or D14/189.ccls. or D14/190.ccls. or D14/191.ccls. or D14/192.ccls. or D14/193.ccls. or D14/194.ccls. or D14/195.ccls. or D14/196.ccls. or D14/197.ccls. or D14/198.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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