USPC Class Details

Description: 396 photography / 396 photography/(89) with exposure objective focusing means, focusing aid, or rangefinding means (121) plural focusing or rangefinding areas (122) utilizing weight coefficients

Hierarchy/Derived subclasses

396 / 89-> 121-> 122

uspto searches

Patent Apps in 396/122

Granted Patents in 396/122

Use the links above or do an advanced search in ppubs for:
(396/122.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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