USPC Class Details

Description: 720 dynamic optical information storage or retrieval / 720 dynamic optical information storage or retrieval/(658) dynamic mechanism optical subsystem (659) having power driven optical transducer assembly (663) linear transducer assembly movement (664) rack gear (665) backlash prevention

Hierarchy/Derived subclasses

720 / 658-> 659-> 663-> 664-> 665

uspto searches

Patent Apps in 720/665

Granted Patents in 720/665

Use the links above or do an advanced search in ppubs for:
(720/665.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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