Coanda_1911_patent.jpg
![File:Coanda 1911 patent.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/8/89/Coanda_1911_patent.jpg/390px-Coanda_1911_patent.jpg)
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Summary
Description Coanda 1911 patent.jpg |
English:
Sketch of Henri Coanda's turbine-style propeller that he filed for patent in 1911. This sketch is taken from the US patent granted in 1914. An identical sketch was filed in the UK May 26, 1911.
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Date | Filed May 29, 1911, patented July 28, 1914 |
Source | https://news.google.com/patents/about?id=e9VOAAAAEBAJ |
Author | Henri Coanda |
Permission
( Reusing this file ) |
public domain |
Other versions | French patent, Swiss patent, UK patent |
Licensing
Public domain Public domain false false |
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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}} . |
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