Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 30, 2021
Patent Application Number
16474631
Date Filed
January 4, 2018
Patent Primary Examiner
Patent abstract
A stepped piston ring (2) includes a ring outer side (5), an upper ring flank (6), and a lower ring flank (8). The ring outer side (5) on the upper edge has a notch (10, so that only a lower portion of the ring outer side (5) forms a contact surface (4).
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