USPC Class Details

Description: 352 optics: motion pictures / 352 optics: motion pictures/(72) removable film strip magazine type (75) with light trap or occlusion (76) shutter type

Hierarchy/Derived subclasses

352 / 72-> 75-> 76

uspto searches

Patent Apps in 352/76

Granted Patents in 352/76

Use the links above or do an advanced search in ppubs for:
(352/76.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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