USPC Class Details

Description: 720 dynamic optical information storage or retrieval / 720 dynamic optical information storage or retrieval/(658) dynamic mechanism optical subsystem (672) transducer carriage or actuator (681) adjustable objective lens support (682) linear leaf springs

Hierarchy/Derived subclasses

720 / 658-> 672-> 681-> 682-> 683
    -> 684
    -> 685

uspto searches

Patent Apps in 720/682

Granted Patents in 720/682

Use the links above or do an advanced search in ppubs for:
(720/682.ccls. or 720/683.ccls. or 720/684.ccls. or 720/685.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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