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Original file (998 × 1,923 pixels, file size: 164 KB, MIME type: image/jpeg)
Summary edit
| Description |
This is a patent drawing of the lenses involved in United States v. Univis Lens Co. |
|---|---|
| Source |
Drawing in U.S. Patent No. 1,845,940 |
| Date |
1932 |
| Author |
Nathan M Stanley |
| Permission (Reusing this file) |
See below.
|
Licensing edit
 | The text and illustrations of US patents are in the public domain in the United States unless the patent text contains a specific notice that portions are copyrighted.[1][2][3]
The original patent contains no such notice, so its contents are in the public domain in the United States. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:27, 7 June 2016 | | 998 × 1,923 (164 KB) | PraeceptorIP (talk | contribs) | Uploading a public-domain item using File Upload Wizard |
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