Polycrystalline diamond compact with a double-layer structure
The broken lines show portions of a polycrystalline diamond compact with a double layer structure which forms no part of the claimed design.
Claims
The ornamental design for a polycrystalline diamond compact with a double layer structure, as shown and described.
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Type: Grant
Filed: Oct 14, 2021
Date of Patent: Aug 29, 2023
Assignee: SF DIAMOND CO., LTD. (Zhengzhou)
Inventors: Haijiang Fang (Zhengzhou), Weifeng Du (Zhengzhou), Yongfeng Wang (Zhengzhou), Jian Yang (Zhengzhou)
Primary Examiner: Michael C Stout
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/811,485