USD940670SActiveUtility

Retainer ring for chemical mechanical polishing device

87
Assignee: WILLBE S&T CO LTDPriority: Sep 26, 2019Filed: Mar 23, 2020Granted: Jan 11, 2022
Est. expirySep 26, 2039(~13.2 yrs left)· nominal 20-yr term from priority
Inventors:Jinwoo Kim
87
PatentIndex Score
16
Cited by
21
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       I claim the ornamental design for a retainer ring for chemical mechanical polishing device, as shown and described.

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