File:Damadian invention.jpg
Damadian_invention.jpg (640 × 388 pixels, file size: 97 KB, MIME type: image/jpeg)
Captions
Public 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}}. |
这张图片属于美国政府专利号3789832 filed 17 March 1972, issued Feb 5, 1974. 图片来自美国专利商标局。
Summary[edit]
This image belongs to a US govt Patent number 3789832 filed 17 March 1972, issued Feb 5, 1974. Image is from the US Patent and Trademark Office.
from zh wp
(删除该图像的所有修订版本) (当前) 16:12 2006年1月24日 . . Uvo (Talk) . . 640x388 (124565字节)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:24, 11 September 2017 | 640 × 388 (97 KB) | Quibik (talk | contribs) | clear background | |
06:22, 4 April 2006 | 640 × 388 (122 KB) | Shizhao (talk | contribs) | {{PD}} {{PD-US-patent}} 这张图片属于美国政府专利号3789832 filed 17 March 1972, issued Feb 5, 1974. 图片来自美国专利商标局。 from zh wp (删除该图像的所有修订版本) (当前) 16:12 2006年1月24日 . . Uvo (Talk) . . 640 |
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