File:Original Shaffer Spherical BOP Patent1.jpg
Original file (1,152 × 1,620 pixels, file size: 305 KB, MIME type: image/jpeg)
Captions
Summary
[edit]DescriptionOriginal Shaffer Spherical BOP Patent1.jpg |
English: Patent Drawing of the Original Spherical Blowout Preventer, by The Rucker Company (Shaffer),
U.S. Patent 3,667,721 (1972). |
Date | Filed April 13, 1970 |
Source | US Patent n° 3,667,721 |
Author | Ado N. Vujasinovic |
Licensing
[edit]Public domainPublic domainfalsefalse |
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
[edit]Transferred from en.wikipedia to Commons using For the Common Good.
Date/Time | Dimensions | User | Comment |
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17:58, 24 July 2010 | 1,152 × 1,620 (312,355 bytes) | w:en:Catsquisher (talk | contribs) | <!== {{int:filedesc}} == {{Information |Description={{en|1=Patent Drawing of the Original Spherical Blowout Preventer, by The Rucker Company (Shaffer), U.S. Patent 3,667,721 (1972).}} |Source=[http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HIT |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:17, 30 September 2018 | 1,152 × 1,620 (305 KB) | Arlene the bean (talk | contribs) | Transferred from en.wikipedia: see original upload log above |
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Metadata
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Orientation | Normal |
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Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop Elements 7.0 Windows |
File change date and time | 09:44, 24 July 2010 |
Color space | sRGB |
Image width | 1,152 px |
Image height | 1,620 px |
Date and time of digitizing | 02:40, 24 July 2010 |
Date metadata was last modified | 02:44, 24 July 2010 |