USPC Class Details

Description: 346 recorders / 346 recorders/(78) printing, dotting, or punching marker (80) time record (81) clock time index-and-dial or character printing or punching (82) on discrete card

Hierarchy/Derived subclasses

346 / 78	-> 80	-> 81	-> 82	-> 83	-> 84
					-> 85
					-> 86

uspto searches

Patent Apps in 346/82

Granted Patents in 346/82

Use the links above or do an advanced search in ppubs for:
(346/82.ccls. or 346/83.ccls. or 346/84.ccls. or 346/85.ccls. or 346/86.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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