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File:Coanda 1911 patent.jpg

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Summary

Description
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.
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 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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current17:58, 13 October 2010Thumbnail for version as of 17:58, 13 October 2010719 × 1,106 (149 KB)Binksternet{{Information |Description={{en|1=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. *http://v3.espacenet.com/pu

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