USPC Class Details

Description: 277 seal for a joint or juncture / 277 seal for a joint or juncture/(322) seal for well apparatus (324) for overpressure control device (e.g., seal for a blowout preventer, etc.) (325) segmented radially actuated (e.g., ram type, etc.)

Hierarchy/Derived subclasses

277 / 322

-> 324

-> 325

uspto searches

Patent Apps in 277/325

Granted Patents in 277/325

Use the links above or do an advanced search in ppubs for:
(277/325.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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