File:Cameron Ram-type Blowout Preventer (1922) - plan view.jpg
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_-_plan_view.jpg&action=edit§ion=1){kind=link}
| Description |
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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| 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 | ||
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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.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| 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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