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 (217) element or attachment (11) (230) antenna or component thereof (27)

Hierarchy/Derived subclasses

D14 / 496	-> 217	-> 11	-> 230	-> 27	-> 231
					-> 232
					-> 233
					-> 234	-> 235
						-> 236
					-> 237
					-> 238

uspto searches

Patent Apps in D14/230

Granted Patents in D14/230

Use the links above or do an advanced search in ppubs for:
(D14/230.ccls. or D14/27.ccls. or D14/231.ccls. or D14/232.ccls. or D14/233.ccls. or D14/234.ccls. or D14/235.ccls. or D14/236.ccls. or D14/237.ccls. or D14/238.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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