The broken lines in the drawings illustrate portions of the pipe thread protector and form no part of the claimed design.
The broken lines in the drawings illustrate portions of the pipe thread protector and form no part of the claimed design.
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Number | Date | Country |
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304046974 | Feb 2017 | CN |
211224665 | Aug 2020 | CN |
308036085 | May 2023 | CN |
D1661385 | Jun 2020 | JP |
300767531.0000 | Oct 2014 | KR |
301076716.0000 | Oct 2020 | KR |
301155709.0000 | Mar 2022 | KR |
171254 | May 2017 | RU |
2019231322 | Dec 2019 | WO |
Entry |
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M&P Flange & Pipe Protection, Inc., “Drill Pipe Thread Protectors”, Internet Archive—Wayback Machine, https://web.archive.org/web/20200928213511/https://m-p.com/product/drill-pipe-thread-protectors/, Sep. 28, 2020. |