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Summary
Cropped image showing first two paragraphs of the Wright Brothers' 1906 patent for the airplane.
Available at U.S. Patent and Trademark Office website: http://www.uspto.gov/patft/index.html
Enter number 821393 in Patent Number Search box.
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Licensing
Public domainPublic domainfalsefalse |
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This image (or other media file) is in the public domain because its copyright has expired.
This applies to Australia, the European Union and those countries with a copyright term of life of the author plus 70 years.
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Colombia has 80 years, and Guatemala and Samoa have 75 years, Russia has 74 years for some authors. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Côte d'Ivoire has a general copyright term of 99 years and Honduras has 75 years, but they do implement the rule of the shorter term.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
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Public domainPublic domainfalsefalse |
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In general, the contents of United States patents published before March 1, 1989 are in the public domain. 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:
A portion of the disclosure of this patent document contains material which is subject to (copyright or mask work) protection. The (copyright or mask work) owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all (copyright or mask work) rights whatsoever.
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. (This template can be replaced by {{ PD-US-patent-no notice}} in such cases.)
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}}.
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File usage
The following pages on Schools Wikipedia link to this image (list may be incomplete):
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