USPC Class Details

Description: 277 seal for a joint or juncture / 277 seal for a joint or juncture/(345) seal between relatively movable parts (i.e., dynamic seal) (358) relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) (399) particular sealing face member configuration (401) fluid passage to the sealing face

Hierarchy/Derived subclasses

277 / 345

-> 358

-> 399

-> 401

uspto searches

Patent Apps in 277/401

Granted Patents in 277/401

Use the links above or do an advanced search in ppubs for:
(277/401.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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