Image:Twister-Spinner.png
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Twister-Spinner.png (137 × 137 pixels, file size: 25 KB, MIME type: image/png)
[edit] Summary
This image is the spinner portion of the Twistor patent image, extracted to illustrate a portion of another article. This image shares the same copyright status.
[edit] Licensing
In general, the contents of United States patents are in the public domain.[1] In specific cases, patent applicants and holders may claim copyright in portions of those documents. In those specific cases, applicants are required to identify the portions that are protected under copyright, and are additionally required to state the following within the body of the application and patent:[2] [3] The original patent should be checked for the presence of such language before an assumption is made that the contents are in the public domain. |
File history
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Date/Time | Dimensions | User | Comment | |
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current | 17:57, 1 September 2007 | 137×137 (25 KB) | Val42 (Talk | contribs) | (This image is a portion of Image:US3454279.png that was extracted to illustrate a portion of another article. This image shares the same copyright status.) |
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