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) (409) close proximity seal (e.g., contactless, fluent, etc.) (423) impeller (e.g., slinger, etc.) (424) rib or groove on radial extending surface

Hierarchy/Derived subclasses

277 / 345

-> 409

-> 423

-> 424

uspto searches

Patent Apps in 277/424

Granted Patents in 277/424

Use the links above or do an advanced search in ppubs for:
(277/424.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.

Display:

Back