USPC Class Details – HistoricIP

Description: 396 photography / 396 photography/(89) with exposure objective focusing means, focusing aid, or rangefinding means (102) having in-focus threshold adjustable

Hierarchy/Derived subclasses

396 / 89

-> 102

uspto searches

Patent Apps in 396/102

Granted Patents in 396/102

Use the links above or do an advanced search in ppubs for:
(396/102.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.