File:Windsurfpatent.jpg
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Summary
editDescriptionWindsurfpatent.jpg | Illustration from US Patent 3,487,800, issued to inventors Jim Drake and Hoyle Schweitzer on January 6, 1970 |
Date | |
Source | Google Patents, patent number 3,487,800 |
Author | United States Patent and Trademark Office |
Licensing
editPublic domainPublic domainfalsefalse |
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 | |
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current | 20:00, 10 June 2019 | 1,296 × 1,636 (161 KB) | Veikk0.ma (talk | contribs) | Higher quality version with some dust removal. | |
04:30, 30 October 2006 | 320 × 317 (13 KB) | Merryfrankster~commonswiki (talk | contribs) | Illustration from the 1968 USPTO patent of the original Windsurfer by Jim Drake and Hoyle Schweitzer. |
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