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 (125) video

Hierarchy/Derived subclasses

D14 / 496	-> 125	-> 126	-> 127
			-> 128
			-> 129	-> 130
				-> 131
			-> 132
			-> 133
			-> 134
		-> 135

uspto searches

Patent Apps in D14/125

Granted Patents in D14/125

Use the links above or do an advanced search in ppubs for:
(D14/125.ccls. or D14/126.ccls. or D14/127.ccls. or D14/128.ccls. or D14/129.ccls. or D14/130.ccls. or D14/131.ccls. or D14/132.ccls. or D14/133.ccls. or D14/134.ccls. or D14/135.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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