File:Cameron Ram-type Blowout Preventer (1922).jpg

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Original file ‎(2,026 × 1,493 pixels, file size: 686 KB, MIME type: image/jpeg)

Summary

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.
Date
Source US Patent n° 1,569,247
Author James S. Ambercrombie and Harry S. Cameron
Permission
(Reusing this file)
Public domain 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}}.

This technology image could be re-created using vector graphics as an SVG file. This has several advantages; see Commons:Media for cleanup for more information. If an SVG form of this image is available, please upload it and afterwards replace this template with {{vector version available|new image name}}.


It is recommended to name the SVG file “Cameron Ram-type Blowout Preventer (1922).svg”—then the template Vector version available (or Vva) does not need the new image name parameter.
This technology image was uploaded in the JPEG format even though it consists of non-photographic data. This information could be stored more efficiently or accurately in the PNG or SVG format. If possible, please upload a PNG or SVG version of this image without compression artifacts, derived from a non-JPEG source (or with existing artifacts removed). After doing so, please tag the JPEG version with {{Superseded|NewImage.ext}} and remove this tag. This tag should not be applied to photographs or scans. If this image is a diagram or other image suitable for vectorisation, please tag this image with {{Convert to SVG}} instead of {{BadJPEG}}. If not suitable for vectorisation, use {{Convert to PNG}}. For more information, see {{BadJPEG}}.

Licensing

Public domain
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).jpg

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

MIME type

image/jpeg

checksum

60770e01fcb8f7c198a35614af630b4abe7e179f

determination method: SHA-1

data size

702,066 byte

height

1,493 pixel

width

2,026 pixel

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current04:09, 20 December 2011Thumbnail for version as of 04:09, 20 December 20112,026 × 1,493 (686 KB)Jbartaclean up
20:11, 9 May 2010Thumbnail for version as of 20:11, 9 May 20102,026 × 1,493 (323 KB)KudzuVine{{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 patents}}}} |Source=http://patimg1.uspto.gov/.piw?Docid=015692
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Retrieved from "https://en.wikipedia.org/wiki/File:Cameron_Ram-type_Blowout_Preventer_(1922).jpg"