USPC Class Details

Description: 720 dynamic optical information storage or retrieval / 720 dynamic optical information storage or retrieval/(718) optical storage medium structure (725) disk cartridge (728) disc cartridge case or jacket (736) sealed cartridge

Hierarchy/Derived subclasses

720 / 718

-> 725

-> 728

-> 736

uspto searches

Patent Apps in 720/736

Granted Patents in 720/736

Use the links above or do an advanced search in ppubs for:
(720/736.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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