File:Cameron Ram-type Blowout Preventer (1922) - plan view.jpg
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Summary
[edit]DescriptionCameron Ram-type Blowout Preventer (1922) - plan view.jpg |
English: Cameron Ram-type Blowout Preventer (1922)
U.S. Patent 1,569,247. Text was removed from figure and minor cleanup of the scan was done with Microsoft Paint. |
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Date | ||||
Source |
US patent number 1569247 from http://patft.uspto.gov/netahtml/PTO/srchnum.htm : English: Instructions: browse to http://patft.uspto.gov/netahtml/PTO/srchnum.htm; enter 1569247; click Search button; click Images button; in Go to Page field enter "2" and click Go button. |
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Author | James S. Abercrombie and Harry S. Cameron | |||
Permission (Reusing this file) |
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Licensing
[edit]Public domainPublic domainfalsefalse |
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Cameron_Ram-type_Blowout_Preventer_(1922)_-_plan_view.jpg |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:47, 10 May 2010 | 2,601 × 1,730 (374 KB) | KudzuVine (talk | contribs) | {{Information |Description={{en|1=Cameron Ram-type Blowout Preventer (1922) U.S. Patent 1,569,247. Text was removed from figure and minor cleanup of the scan was done with Microsoft Paint {{PD-US-patent-no notice}}}} |Source=http://patimg1.uspto.gov/.piw |
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Orientation | Normal |
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Software used | Microsoft Windows Photo Gallery 6.0.6001.18000 |
File change date and time | 07:21, 10 May 2010 |
Unique image ID | 88CF95804AB645269F5776AFDC487BD5 |