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US Patent D1026980 Polycrystalline diamond compact with a raised surface and groove therein

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Is a

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Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Weifeng Du0

Haijiang Fang0

Yongfeng Wang0

Jian Yang0

Date of Patent

May 14, 2024

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Patent Application Number

298114860

Date Filed

October 14, 2021

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Patent Citations

US Patent D570384 Substrate for manufacturing cutting elements

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US Patent D581958 Cutting insert

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US Patent D587732 Substrate for manufacturing cutting elements

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US Patent 7658666 Superhard cutters and associated methods

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US Patent 7726420 Cutter having shaped working surface with varying edge chamfer

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US Patent 7798257 Shaped cutter surface

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US Patent 8191657 Rotary drag bits for cutting casing and drilling subterranean formations

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US Patent 8210747 Bearing elements

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Patent Primary Examiner

Patricia A Palasik

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0

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