File:Hydril Compact BOP Patent.jpg
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Summary
| Description |
English: Patent Drawing of Hydril Company's Compact Blowout Preventer, Showing Ram Actuator Assembly,
U.S. Patent 5,655,745 (1997). |
| Date | Filed Feb. 9, 1996 |
| Source | US Patent n° 5,655,745 |
| Author | Charles D. Morrill |
Licensing
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The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)
The original patent contains no such notice, so its contents are in the public domain. Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}. |
Original upload log
Transferred from en.wikipedia to Commons using For the Common Good.
The original description page was here. All following user names refer to en.wikipedia.
| Date/Time | Dimensions | User | Comment |
|---|---|---|---|
| 03:52, 20 July 2010 | 1,342 × 921 (235,096 bytes) | w:en:Catsquisher (talk | contribs) | <!== {{int:filedesc}} == {{Information |Description={{en|1=Patent Drawing of Hydril Company's Compact Blowout Preventer, Showing Ram Actuator Assembly, U.S. Patent 5,655,745 (1997).}} |Source=[http://patimg1.uspto.gov/.piw?docid=05655745&PageNum=7&IDKey=F |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:10, 29 September 2018 | | 1,342 × 921 (230 KB) | Arlene the bean | Transferred from en.wikipedia: see original upload log above |
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