USPC Class Details

Description: 360 dynamic magnetic information storage or retrieval / 360 dynamic magnetic information storage or retrieval/(240) head mounting (250) for moving head into/out of transducing position (254) disk record (254.2) arcuate track change type (254.7) fixed lifter

Hierarchy/Derived subclasses

360 / 240-> 250-> 254-> 254.2-> 254.7-> 254.8
     -> 254.9
     -> 255

uspto searches

Patent Apps in 360/254.7

Granted Patents in 360/254.7

Use the links above or do an advanced search in ppubs for:
(360/254.7.ccls. or 360/254.8.ccls. or 360/254.9.ccls. or 360/255.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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