USPC Class Details

Description: 277 seal for a joint or juncture / 277 seal for a joint or juncture/(300) process of dynamic sealing (301) close proximity seal (e.g., contactless, fluent, etc.) (303) labyrinth

Hierarchy/Derived subclasses

277 / 300

-> 301

-> 303

uspto searches

Patent Apps in 277/303

Granted Patents in 277/303

Use the links above or do an advanced search in ppubs for:
(277/303.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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