File:Hagenbrevet1964.png
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Summary
Schéma de la machine volante de Hagen dans le brevet U.S. 3,120,363 de 1964. (Schematic of the flying machine Hagen in U.S. Patent 3,120,363 in 1964)
Licensing
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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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:28, 10 April 2007 | | 1,485 × 1,026 (150 KB) | Pamputt | Schéma de la machine volante de Hagen dans le brevet U.S. 3,120,363 de 1964. |
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