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Summary
| Description |
Drawing showing a Brannock Device, taken from US Patent 1,725,334.
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| Date | (filed) | ||
| Source | US Patent Office | ||
| Author | Charles Brannock | ||
| Permission (Reusing this file) |
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Licensing
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This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:17, 6 January 2009 | | 1,665 × 2,599 (578 KB) | Cfaerber | {{Information |Description={{en|1=Drawing showing a en:Brannock Device, taken from US Patent 1,725,334.}} {{de|1=Zeichnung eines Brannock-Geräts aus dem US-Patent 1,725,334.}} |Source=US Patent Office |Author=Charles Brannock |Date=1927-09-17 (file |
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